[25], The glacially eroded summit area consists of several andesitic or dacitic lava domes; Pleistocene collapses produced avalanches and lahars (rapidly moving mudflows) that traveled across the Columbia River to the north. The volcano last. Except that its not unheard of for volcanoes that are considered extinct to occasionally erupt. growth and collapse of lava domes and generation of lahars have dominated Mount The lahar spread out over the delta Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. However, the growth of the crystals is also dictated by temperature: if the rock is too cold, they don't grow as fast. Mauna Loa, in Hawaii, could qualify for this category, since it experiences ground inflation and earthquakes that are a testament to changes within the volcanos magma chamber. jet aircraft by causing engine failure. Klauea is an active volcano that is currently erupting. The study involved scientists at OSU and the University of California, Davis. Scientists from the U.S. Researchers have discovered that volcanoes can go from dormant to active very quickly. eruption-related problems. The windiest month is July, followed by June and August. Seeing what he had done, he erected three mountain peaks to mark where each fell. Eliot Glacier is the largest glacier by volume at 73,000acreft (0.09km3), and has the thickest depth measured by ice radar at 361ft (110m). Thus, it is important to know where With a fiscal year 2023 budget of $9.5 billion, NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and institutions. In the mid-1800's, local A lock () or https:// means youve safely connected to the .gov website. Meanwhile, once dormant volcanoes continue to roar to life. swarms (tens to more than one hundred earthquakes lasting 2 to 5 days) occur A conflict exists between protecting public safety and protecting the environment. 1,500 year ago. Brad Little's 2023 State of the State, a volcano or volcanic field that has erupted within the Holocene, cover all volcanoes that have erupted as far back as the Pleistocene geological epoch. One represents a truly catastrophic event. It was formed by a subduction zone on the Pacific coast and rests in the Pacific Northwest region of the United States. A lock () or https:// means youve safely connected to the .gov website. The latest minor eruptive event occurred in August 1907. It is located approximately 75 km ESE of Portland, OR. Native Americans crossed the pass while traveling between the Willamette Valley and Celilo Falls. Our stories may be republished online or in print under Creative Commons license CC BY-NC-ND 4.0. Will it always be this tranquil? Volcanism has moved on from Mount Thielson, and that particular mountain will never erupt again. Credit and Larger Version, Mount Hood mirrored in a placid lake below. right now. [35], Modern height surveys also vary, but not by the huge margins seen in the past. [55] It has convenient access, though it presents some technical climbing challenges. They reported climbing to a glacier on "Montagne de Neige" (Mountain of Snow), probably Eliot Glacier. Andy Fell, UC-Davis, (530) 752-4533, email: ahfell@ucdavis.edu, Related WebsitesNSF Award: Collaborative Research: Tectonic Links, Magma Fluxes, and Single Mineral Geochemistry in Plutonic Systems From 5-30 km Depth, Cascades Core, Washington: http://www.nsf.gov/awardsearch/showAward?AWD_ID=0948616&HistoricalAwards=falseNSF Award: Collaborative Research: Timescales of Crystal Residence and Magma Mixing at Mount Hood, Oregon: http://www.nsf.gov/awardsearch/showAward?AWD_ID=0838389&HistoricalAwards=falseNSF News: Triggers of Volcanic Eruptions in Oregon's Mount Hood Investigated: http://www.nsf.gov/news/news_summ.jsp?org=NSF&cntn_id=117434&preview=false. For more information or copies of the paper version of this fact sheet contact: U.S. Geological Survey They are therefore considered active but dormant. Mount Hood volcano, Oregon's highest peak, forms a prominent backdrop to the state's largest city, Portland, and contributes valuable water, scenic, and recreational resources that help sustain the agricultural and tourist segments of the economies of surrounding cities and counties. [33], Three monitoring stations were eventually installed on Mount Hood in 2020.[34]. Life As You Have Known It Will Never Be The Same Again, It is just a matter of time before one of the big volcanoes on the west coast erupts again. Hood is one of several locations featured by . temporarily damming the East Fork Hood River. In fact, according to Volcano Discoverya total of 28 different volcanoes are erupting right now. The summit was home to a fire lookout in the early 1900s; however, the lookout did not withstand the weather and no longer remains today. [12], There are a few remaining shelters on Mount Hood still in use today. Credit and Larger Version February 18, 2014 periods lasting from centuries to more than 10,000 years. Follow Idaho Capital Sun on Facebook and Twitter. Mount Hood was first seen by European explorers in 1792 and is believed to have maintained a consistent summit elevation, varying by no more than a few feet due to mild seismic activity. Dozens of earthquakes, most not felt on the surface, came in succession around 12:13 p.m. Monday, centered about a half mile southwest of the volcano . An official website of the United States government. contacts. "What happens when they mix is what happens when you squeeze a tube of toothpaste in the middle," said Kent. a swarm to persist, for the number of earthquakes to increase dramatically, or one instrument to measure gas emissions., This page was last edited on 2 April 2023, at 17:57. How well the given earthquake location predicts the observed phase arrivals (in seconds). Measured from the epicenter (in degrees), the largest azimuthal gap between azimuthally adjacent stations. The mountain sits partly inside the reservation of the Confederated Tribes of Warm Springs. It was the loudest in a swarm that continues to rattle residents in the nearby capital city of Reykjavk and the municipalities around it, where two-thirds of the Icelandic population lives. But if Mt. But it wont stay that way. The Cascade Volcanoes (also known as the Cascade Volcanic Arc or the Cascade Arc) are a number of volcanoes in a volcanic arc in western North America, extending from southwestern British Columbia through Washington and Oregon to Northern California, a distance of well over 700 miles (1,100 km). Some areas of the Columbia River Gorge were impacted by the Eagle Creek fire of 2017. The trail includes over 10,000ft (3,000m) of elevation gain and loss and can vary in distance year to year depending on river crossings. Many maps distributed in the late 19thcentury cited 18,361ft (5,596m), though Mitchell's School Atlas gave 14,000ft (4,300m) as the correct value. fast-moving pyroclastic flows. This does not mean that the volcano is erupting right now, although such a volcano would certainly qualify as active. ", 1300 SE Cardinal Court STE 100 Mount Hood's next eruption is much more likely to be smaller than or continuously monitor Mount Hood for signs of unrest and are in communication with responsible River and surged up the White Salmon River valley on the Washington side. For Mount Hood, the threshold seems to be about 750 degrees (C) - if it warms up just 50 to 75 degrees above that, it greatly decreases the viscosity of the magma and makes it easier to mobilize." Swarms of these types of events are fairly common on many volcanoes. Secure .gov websites use HTTPS. Instead of exploding, the magma tends to ooze out the top of the peak. Credit and Larger Version, Gray volcanic deposits form ridges along the southeast and southwest flanks of Mount Hood. Hood is potentially active but is mostly dormant. Thus, areas within hazard zones PA and DA have a higher probability of The best locations have RMS Misfits smaller than 0.1 seconds. Clear as mud? Official websites use .gov Those awards include support for cooperative research with industry, Arctic and Antarctic research and operations, and U.S. participation in international scientific efforts. Welcome to the new NSF.gov experience. Mount Hood is located just 50 miles from Portland and if an eruption were to . fumarole gas, whose composition indicates that magma lies a few miles below the We think these changes are very small but one should still be aware of this possibility. has erupted seven times in the past two weeks, Lost Prophecies Of The Future Of America, A Highly Resistant New COVID Variant That Originated In Brazil Is Being Compared To An Atomic Bomb. "For Mount Hood, the threshold seems to be about 750 degrees (C)if it warms up just 50 to 75 degrees above that, it greatly decreases the viscosity of the magma and makes it easier to mobilize." Credit and Larger Version, All appears quiet today on Mount Hood. This plot is updated weekly until 2020 when a new plot will start unless, of course unusual activity takes place that suggests a different time sequence is needed to better interpret that activity. Taking COVID-19 funds, Cole was reckless with lab, Into the zone of death: Four days spent deep in the, Read Idaho Gov. Yellowstone last erupted about 70,000 years ago, while Long Valleys most recent activity was about 16,00017,000 years ago, and Valles last erupted about 68,000 years ago. Modern sources point to three different heights: 11,249ft (3,429m), a 1991 adjustment of a 1986 measurement by the U.S. National Geodetic Survey (NGS),[1] 11,240ft (3,426m) based on a 1993 scientific expedition,[6] and 11,239ft (3,425.6m)[7] of slightly older origin. United States, Active, dormant, and extinct: Clarifying confusing classifications, 12201 Sunrise Valley Drive Reston, VA 20192, a volcano or volcanic field that has erupted within the Holocene, cover all volcanoes that have erupted as far back as the Pleistocene geological epoch. Summary. Volcanologists use that term as shorthand for potentially active, so a dormant volcano is one that is not erupting now, but that is considered active because it could erupt in the future. [52][53], The predecessor of the Pacific Crest Trail was the Oregon Skyline Trail, established in 1920, which connected Mount Hood to Crater Lake. In the 1780s, the volcano rumbled to life with such force that it sent high-speed avalanches of hot rock, gas and ash down its slopes. An eruption similar in size to the ago. At the mouth of Polallie Creek, the lahar spread out, killing a camper and There was a fair amount of packed snow and ice on the road, but traction really wasn't an issue-- I think even my old S85 could have made it without issue, at least on snow tires. Telephone numbers or other contact information may [49], The glaciers and permanent snow fields have an area of 3,331 acres (1,348ha) and contain a volume of about 282,000acreft (0.348km3). distal hazard zones along the Sandy River. Updated by the minute, our Dallas Cowboys NFL Tracker: News and views and moves inside The Star and around the league . Tel: (360) 993-8900, Fax: (360) 993-8980 and lahars. DEIJ Policy | Ethics Policy | Privacy Policy. "For Mount Hood, the threshold seems to be about 750 degrees (C)--if it warms up just 50 to 75 degrees above that, it greatly decreases the viscosity of the magma and makes it easier to mobilize.". But in other cases, it might just be that a particular volcano experiences long periods of quiet between its eruptions. The lahar crossed the Columbia "Some comes out the top, but in the case of Mount Hood it doesn't blow the mountain to pieces.". NSF website: nsf.gov Scientists Even for a volcanic island accustomed to the occasional tremor, this has been an unusual week for Iceland. And this is the category into which volcanic systems like Yellowstone fall, as well as the other two caldera systems in the USA: Long Valley (California) and Valles (New Mexico). In the last 1,500 years, Mount Hood has had two major eruptive periods that produced lava domes, pyroclastic flows and mud flows, and minor ash fallout. This is where the dormant term comes into play. University of Washington, Geophysics Program, Related Fact Sheets and Open-File Reports, Living With Volcanic It is home to 12 glaciers. individuals time to move to higher ground and greater safety if given warning. Admittedly, use of these terms by volcanologists has been somewhat inconsistent and evolved with time, which has resulted in understandable confusion among non-volcanologists. New deposits of rock debris on the volcano's slopes Malone,Mount Hood earthquake activity: volcanic or tectonic origin,Bull.Seis. Few of these pyroclastic flows have traveled more Well start with perhaps the most confusing of these terms: active. Most volcanologists would say that a volcano or volcanic field that has erupted within the Holocene (the current geologic epoch, which began at the end of the most recent ice age about 11,650 years ago), or that has the potential to erupt again in the future, should be considered active. This does not mean that the volcano is erupting right now, although such a volcano would certainly qualify as active. Rather, it means that the volcano has a youthful magmatic system, and if it is not erupting now, it could be in the future. All of the earthquakes in the Mount Hood sequences have characteristic waveforms similar to tectonic earthquakes. Below is a time-depth plot of earthquakes located directly under Mount Hood since 2010. temporary dam destroyed 5 miles of highway, three bridges, and a state parkat a A US volcano could erupt in 2022 in a disastrous event that could affect thousands of residents and cause millions of dollars worth of damage, researchers fear. In recent years, earthquake activity has been on the rise all over the planet. Mark Floyd, OSU, (541) 737-0788, email: mark.floyd@oregonstate.edu These are volcanoes that will not erupt again. Soc. Experts also said they do not believe the swarm is evidence Mount Hood is becoming more active, but it does represent "a temporary uptick in activity," the USGS says. Hood has some very humid months, and slightly dry months in the opposite season. one lives, works, and plays in relation to Mount Hood's hazard zones. [22][23], Two French explorers from the Hudson's Bay Company may have traveled into the Dog River area east of Mount Hood in 1818. Language links are at the top of the page across from the title. A lahar In addition to being Oregon's highest mountain, it is one of the loftiest . Idaho Capital Sun maintains editorial independence. "It seems that by being more active in social media, PMR created a solid presence in the . DB, which One of these volcanoes is Mount Hood. Learn about the volcano hazards that could affect your community and determine whether you But because they are extremely hot, such flows can melt It will at some point, which is why monitoring restless volcanoes is so vital for forecasting their behavior on timescales that are helpful to society. Mount Hood is a potentially active volcano, and the highest peak in Oregon State. About 10,000 people attempt to climb Mount Hood each year. Here is a seismicity plot that shows the number of located earthquakes per day (black spikes) and the cumulative number of earthquakes over time (red). before an eruption begins, because there is little time to get people out of Mount Hood is a potentially active stratovolcano in the Cascade Volcanic Arc.It was formed by a subduction zone on the Pacific coast and rests in the Pacific Northwest region of the United States.It is located about 50 mi (80 km) east-southeast of Portland, on the border between Clackamas and Hood River counties. Even among dormant volcanoes there could be a sub-category for those that are restless these are volcanoes that are not erupting, but that are experiencing some signs that magma is accumulating or moving beneath the surface. Europes most active volcano, Mount Etna, has erupted seven times in the past two weeks, with some eruptions blowing blankets of black ash over nearby areas. Yes, Mount Hood is considered an active stratovolcano. 12201 Sunrise Valley Drive Reston, VA 20192. Glaciers on Mount Hood retreated through the first half of the 20thcentury, advanced or at least slowed their retreat in the 1960s and 1970s, and have since returned to a pattern of retreat. U.S. Geological Survey "Monitoring gases and seismic waves, and studying ground deformation through GPS, are a few of the techniques that could tell us that things are warming.". This is where the dormant term comes into play. Volcano type:Stratovolcano Therefore, it is unlikely And this is the category into which volcanic systems like Yellowstone fall, as well as the other twocaldera systemsin the USA:Long Valley(California) andValles(New Mexico). three seismometers to measure earthquakes. The route goes east around Crater Rock and crosses the Coalman Glacier on the Hogsback, a ridge spanning from Crater Rock to the approach to the summit. There are 100 developed campgrounds, ice caves, five ski areas, and 812 miles of recreational trails within the forest's 1.1 million acres. It is located around 50 miles east of Portland. Mount Hood has had two significant eruptive periods, one about 1,500 years ago and in river valleys can be reworked to form lahars for many years after an New research results suggest that magma sitting 4-5 kilometers beneath the surface of Oregon's Mount Hood has been stored in near-solid conditions for thousands of years. Large debris avalanches occur infrequently and are usually At the river's mouth, where the town of Hood But in other cases, it might just be that a particular volcano experiences long periods of quiet between its eruptions. Typically, one to three small earthquake Since A lock So what is being done to monitor the mountain that looms over the city of Portland, in case it pulls a St. Helens? More information at: To reduce load times, the list is not rendered for large queries. The Idaho Capital Sun is the Gem States newest nonprofit news organization delivering accountability journalism on state politics, health care, tax policy, the environment and more. Three languages are spoken among this confederacy: Sahaptin, Upper Chinook/Kiksht (Wasco) and Numu (Paiute). eruption ends. Risk in the Cascades, Volcano Hazards in the Mount Hood Region, Oregon, U.S. GEOLOGICAL SURVEYREDUCING THE RISK FROM VOLCANO This work involves the use of space-based technologies, like Interferometric Synthetic Aperture Radar, as well as ground-based techniques, like microgravity surveys. [24] A second ammunition ship, AE-29, was commissioned in May 1971 and decommissioned in August 1999. Hopefully the USGS is correct in this instance. Here in the United States, the corporate media largely ignores these developments, and government officials continue to insist that everything is going to be just fine. Minor amounts of tephra can make breathing difficult More extensive explainations of Mount Hood swarms is contained in a blog posting about a swarm in 2019and more recently and slightly to the east a swarm in January 2021. What will those and generate tens to hundreds of pyroclastic flows and lahars of varying size. better anticipate and prepare for future eruptive activity. Hazard zones This can also be referred to as Greenwich Mean Time (GMT). Small avalanches can occur when rocks, altered Take a brief survey to share your feedback. 3)Click a second point on the map, this will be the right side of the cross-section. river valleys than live on the volcano's flanks. Will it always be this tranquil? Is Mount Hood still active? The primary conclusion of this study was that these swarms (maybe most) are related primarily to regional tectonic forces and do not necessarily have a volcanic origin. [38][39][40] However, numerous others place the peak's height one foot lower, at 11,239ft (3,426m). Non-erupting volcanoes that have experienced eruptions in the Holocene would then be considered potentially active examples include Mount Hood in Oregon, Cotopaxi in Ecuador, Fuji in Japan, and Katla in Iceland. Now we are moving into a time when I believe that the changes that are happening to our planet will accelerate dramatically, and that is going to have very serious implications for every single one of us. For years, I have been warning about Mt. "What's encouraging is that modern technology should be able to detect when the magma is beginning to liquefy or mobilize," Kent said, "and that may give us warning of a potential eruption. Below you will find an epicenter map, time-depth plot and seismicity plot for a region around Mount Hood for the three decades, 1980 - 2010 that shows typical or background levels of earthquakes in this region. . So lets try to clear this up, and describe the terms in the way that most volcanologists would use them (although well note right off the bat that opinions vary, and not all volcanologists would wholeheartedly agree with the definitions below). The last eruptive period began in AD 1781 and affected the White River as well as Sandy River valleys. If there is evidence for magma beneath the groundfor example, as indicated by magma-related seismicity and/or ground deformation, or by an active hydrothermal systemthen the volcano should be considered active but currently dormant, regardless of the time since its last eruption. Rainier, and I will continue to sound the alarm about it. About 12,000 people climb the mountain yearly. During both recent eruptive periods, growing lava domes high on the southwest flank collapsed repeatedly to form pyroclastic flows and lahars that were distributed primarily to the south and west along the Sandy River and its tributaries. and the other about 200 years ago. If it does erupt, that will cause air travel problems for all of Europe. on the Web. When the subject of volcanoes comes up, youll often hear the words active, dormant, and extinct. But what precisely do they mean? Over three quarters of the earthquakes that were located at Mount Hood during the 1990s occurred in these types of swarms. Guardian Geyser and Norris Geyser Basin, Yellowstone National Park. Mount Hood, but few have been as destructive. Location in geographic coordinates (as Latitude, Longitude in decimal degrees) of the position on Earth's surface directly above where an earthquake rupture initiated. All three might be considered extinct, since none have erupted in the Holocene, but we know that magma is present beneath all three caldera systems because of geophysical unrest (including seismicity and ground deformation) and/or hydrothermal activity. Seismicity at Mount Hood is primarily characterized by fairly intense swarms of micro-earthquakes which typically occur about 4 to 7 km south of the summit. A case could be made for subdividing the active category into actively erupting and potentially active. Volcanoes like Klauea in Hawaii, Stromboli in Italy, Erebus in Antarctica, and Santiaguito, in Guatemala, would be considered actively erupting, since magma is reaching the surface in all those places (and many others!) Longitude:121.695 W In Iceland, a swarm of 17,000 earthquakes over the past week has citizens of that island nationextremely alarmed. Mount Hood was named after Lord Samuel Hood, a British admiral. eruptions be like and how will they affect us? Mount Hood, which has been active for at least 500,000 years, occupies a long-lived focus of volcanic activity that has produced ancestral Hood-like volcanoes for the past 1.5 million years. activity occur more frequently. Clear as mud? About 100,000 years ago, a large portion of the volcano's north flank and Tracking Mount Hood's Changing Glaciers Although hot magma from below can quickly mobilize the magma chamber at 4-5 kilometers below the surface, most of the time magma is held under conditions that make it difficult for it to erupt. Mount Hood is considered the Oregon volcano most likely to erupt,[9] Mount Hood has erupted episodically for about 500,000 years and hosted two major eruptive periods during the past 1,500 years. Awards database: nsf.gov/awardsearch/, Follow us on social live, work, or go to school in a volcano hazard zone. Both were associated with eruptive activity that triggered Let's ditch the overused, misrepresentative, and misapplied "supervolcano" term. For some volcanoes, it is easy to say with confidence that they are extinct. [10], Timberline Lodge is a National Historic Landmark located on the southern flank of Mount Hood just below Palmer Glacier, with an elevation of about 6,000ft (1,800m). Columbia River. Individuals too can prepare by doing the following: A few moments spent now could help keep the next eruption of Mount Hood from becoming a The least humid month is July (32.3% relative humidity), and the most humid month is December (72.6%). Some volcanologists add qualifiers to these terms for example, a long-dormant system might refer to a volcano that has not erupted in thousands of years, while a recently active system might have erupted a few years or decades (or even centuries!) Mount Hood, located about 50 miles east of Portland, Oregon, is one of the most climbed glaciated peaks in North America (#2 in the world behind Japan's Fuji-san, according to some). Hood would be obliterated. Of course there are other volcanoes along the west coast that we need to be watching as well. melted snow and triggered a small landslide in fragmental debris in upper COOPERATING ORGANIZATIONS Results of the research, which was funded by the National Science Foundation (NSF), are in this week's journal Nature. [16], The name Wy'east has been associated with Mount Hood for more than a century, but no evidence suggests that it is a genuine name for the mountain in any indigenous language. The hotter magma from deeper down warms the cooler magma stored at a 4-5 kilometer depth, making it possible for both magmas to mix and be transported to the surface to produce an eruption. or https:// means you've safely connected to the .gov website. Date and Time when the earthquake rupture initiated. The resulting lahar moved downvalley at 25 to 35 miles per hour. every year. For this reason, it is important to pay attention to the characteristics of the volcano itself. gases, or by deformation of the volcano's flanks. A previous study by Kent and OSU researcher Alison Koleszar found that the mixing of the two magma sources, which have different compositions, is both a trigger to an eruption and a constraining factor on how violent it can be. Mount Jefferson is also located on the Cascade Range. avalanches, of various sizes have occurred. It can be a confusing way to describe volcanic activity Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. debris avalanches and were accompanied by lava extrusion, pyroclastic flows, Water from the Bull Run Watershed, vital to Portland, is transported in pipes that cross Using the tools in this panel you can control the earthquakes shown on the map. Measure of the energy released in an earthquake, obtained from interpretation of seismograms. Admittedly, use of these terms by volcanologists has been somewhat inconsistent and evolved with time, which has resulted in understandable confusion among non-volcanologists. for the depths of earthquakes to become shallower. Mount Hood is a potentially active stratovolcano in the Cascade Volcanic Arc. Can You Not See That The Crust Of Our Planet Is Becoming Increasingly Unstable. Mike Poland is a research geophysicist with the Cascades Volcano Observatory and the Scientist-in-Charge of the Yellowstone Volcano Observatory. . For the nearby community, see, Location relative to other Oregon volcanoes, Most likely to erupt based on history; see, National Oceanic and Atmospheric Administration, "Mount HoodHistory and Hazards of Oregon's Most Recently Active Volcano", "Table of United States Peaks by Spire Measure", "Volcano Hazards in the Mount Hood Region, Oregon", "National Historic Landmarks ProgramTimberline Lodge", "Beat the Heat: Summer Skiing on Oregon's Mount Hood", "Anthropologist dispelling myths with plankhouse talk", "Naming the Cascade Range Volcanoes: Mount Adams, Washington", "The Volcanoes of Lewis and Clark October 1805 to June 1806: Introduction", "Recent Eruptive History of Mount Hood, Oregon, and Potential Hazards from Future Eruptions", "The Danger of Collapsing Lava Domes: Lessons for Mount Hood, Oregon", "Cascade Range Current Update for June 29, 2002", "Current Alerts for U.S. Volcanoes: Cascade Range Volcanoes", "We're Barely Listening to the U.S.'s Most Dangerous VolcanoesA thicket of red tape and regulations have made it difficult for volcanologists to build monitoring stations along Mount Hood and other active volcanoes", "Three new monitoring stations installed at Mount Hood", "Mitchell's School atlas: comprising the maps and tables designed to accompany Mitchell's School and family geography", "Ice Volumes on Cascade Volcanoes: Mount Rainier, Mount Hood, Three Sisters and Mount Shasta", "Spatial and morphologic change on Eliot Glacier, Mount Hood, Oregon, USA", "Timberline National Historic Trail #600", "Everything goes right in Mount Hood search", "Portland, OR: Mount Hood via the South Side Route", "Climbing Mount Hood: Southside Climbing Conditions June 9, 2007", "Mount Hood National Forest Technical Climbing", "Weighing the risks of climbing on Mount Hood", "Mount Hood: Climbing Oregon's Highest Peak", The 126 most prominent summits of the United States of America, Highest natural points of U.S. states, district, and territories, https://en.wikipedia.org/w/index.php?title=Mount_Hood&oldid=1147866625, Short description is different from Wikidata, Pages using infobox mountain with language parameter, Articles with dead external links from August 2022, Creative Commons Attribution-ShareAlike License 3.0, U.S. National Geodetic Survey, 1986 measurement adjusted using. is it a sin to love animals more than humans,
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