363 articles
Mount Cleveland
Mount Cleveland (Chuginadak) is an active 1,730 m stratovolcano on uninhabited Chuginadak Island in Alaska's Aleutians, in near-continuous eruption since 2001, last exploding June 1, 2020; a major Aleutian aviation ash hazard.
Mount Diablo
Mount Diablo is a 3,849-foot peak in the Diablo Range of the San Francisco Bay Area, chosen in 1851 as the survey initial point for most of Northern California and Nevada.
Mount Eddy
Mount Eddy, 9,025 ft (2,751 m), highest peak of the Klamath Mountains in Shasta-Trinity National Forest, California; also called the Eddy Range highpoint, with the Mount Eddy Research Natural Area and Deadfall Lakes.
Mount Elbert
Mount Elbert, in Colorado's Sawatch Range near Leadville, is the highest peak in Colorado and the Rockies at about 14,433-14,440 ft and the second-highest in the contiguous United States, named for governor Samuel Hitt Elbert.
Mount Fairweather
Mount Fairweather, 15,300 ft (4,663 m), highest peak of British Columbia on the Alaska border in Glacier Bay National Park; named by Cook in 1778; first ascent 1931 by Carpé and Moore.
Mount Garibaldi
Mount Garibaldi (Squamish: Nch'ḵay̓, "Dirty Place") is a 2,678 m dacitic stratovolcano at the head of Howe Sound, about 60 km north of Vancouver, and the main volcano of the Garibaldi–Price field in the Garibaldi Volcanic Belt, the Canadian segment of the Cascade arc; last erupted about 9,500 years ago at Opal Cone.
Mount Hood
Mount Hood is Oregon's highest peak (3,426 m) and an active andesite-dacite stratovolcano of the Cascade Range, 80 km east of Portland, erupting episodically for 500,000 years, most recently about 1781 and reported in 1865, with Very High USGS threat rating.
Mount Logan
Mount Logan is Canada's highest peak at 5,959 m and North America's second-highest after Denali, in Kluane National Park, Yukon. First climbed in 1925 by a MacCarthy-led team; King Trench is the standard route.
Mount Mitchell
Mount Mitchell, 6,684 ft (2,037 m), is the highest peak east of the Mississippi River, in the Black Mountains of Yancey County, North Carolina. Measured by Elisha Mitchell in 1835; site of North Carolina's first state park (1915).
Mount Monadnock
Mount Monadnock (Grand Monadnock) is a 3,165-foot isolated peak in Jaffrey, Dublin, and Marlborough, New Hampshire, the namesake of the geological term monadnock, a National Natural Landmark since 1987, and often cited as the world's second most climbed mountain after Mount Fuji.
Mount Peale
Mount Peale (12,721 ft / 3,877 m) is the highest peak of the La Sal Mountains and Manti-La Sal National Forest in San Juan County, Utah; a laccolithic summit with a 1988 Research Natural Area.
Mount Robson
Mount Robson (3,954 m) is the highest peak in the Canadian Rockies, in Mount Robson Provincial Park, British Columbia. First climbed in 1913 by Conrad Kain via the Kain Face; home of the Berg Lake Trail and Emperor Face.
Mount Rogers
Mount Rogers (5,729 ft / 1,746 m) is Virginia's highest peak, on the Grayson-Smyth county line in the Mount Rogers National Recreation Area. Named for William Barton Rogers; Neoproterozoic rhyolite, spruce-fir summit, wild ponies.
Mount Roosevelt
Mount Roosevelt names several North American sites: a British Columbia mountain (official 1953), a 5,835-ft Snoqualmie Pass peak in Washington, a Tennessee mountain named for FDR in 1934, an Oklahoma peak, and Deadwood's 1919 Friendship Tower.
Mount Roraima
Mount Roraima (Monte Roraima, Cerro Roraima) is a flat-topped tepui at the triple border point of Venezuela, Brazil, and Guyana, its highest point reaching 2,810 m.
Mount Royal
Mount Royal (Mont Royal), the 233 m hill at the heart of Montreal, Quebec, one of the Monteregian Hills; site of Olmsted's Mount Royal Park, inaugurated 1876, with three summits and protected heritage status.
Mount Rundle
Mount Rundle is a 2,949 m wedge-shaped mountain in Banff National Park, Alberta, named for missionary Robert Terrill Rundle. Its popular non-technical scramble route gains 1,577 m over about 11 km round trip.
Mount Saint Elias
Mount Saint Elias, 5,489 m (18,008 ft), on the Alaska-Yukon border, is the second highest peak of both countries, rising nearly 18,000 feet from tidewater in the Saint Elias Mountains.
Mount San Antonio
Mount San Antonio, commonly called Mount Baldy, is the 10,064-foot highest peak of the San Gabriel Mountains and Los Angeles County, on the Los Angeles–San Bernardino county line in Angeles National Forest, named for Saint Anthony of Padua.
Mount Shasta
Shasta (Mount Shasta), California stratovolcano, 4,317 m, most voluminous Cascade volcano (~400 km³); last erupted ~3,200 years ago; named by Peter Skene Ogden, 1827.
Mount St. Helens
Mount St. Helens, an active stratovolcano in Skamania County, Washington, is the most active Cascade Range volcano; its May 18, 1980 eruption killed 57 people, and it erupted again from 2004 to 2008.
Mount Tamalpais
Mount Tamalpais is a prominent 2,571-foot ridge in southern Marin County, California, just north of San Francisco, offering sweeping views of the Bay Area from Mount Tamalpais State Park.
Mount Thor
Mount Thor (Thor Peak) is a granite peak in Auyuittuq National Park, Baffin Island, Nunavut, Canada, holding Earth's greatest vertical drop: a 1,250 m (4,101 ft) overhanging west face at 105 degrees, first climbed in 1965.
Mount Timpanogos
Mount Timpanogos is an 11,750-foot peak in Utah's Wasatch Range, second highest behind Mount Nebo, with the Timpooneke and Aspen Grove summit trails, Timpanogos Cave National Monument on its cliffs, and a large rock glacier holding about 1.55 million cubic meters of ice.
Mount Umunhum
Mount Umunhum is a 3,486-foot peak in the Santa Cruz Mountains southwest of San Jose, in Sierra Azul Preserve. Sacred to the Amah Mutsun and Tamien peoples, it hosted the Almaden Air Force Station radar base from 1957 to 1980 and reopened to the public in 2017.
Mount Washington
Mount Washington, 6,288-foot highest peak in the northeastern US in New Hampshire's White Mountains, famed for extreme weather, the 231 mph 1934 wind record, the Mount Washington Observatory, and the 1869 Cog Railway.
Mt. Assiniboine
Mount Assiniboine, the 'Matterhorn of the Rockies,' is a 3,618 m pyramidal peak on the BC-Alberta Continental Divide in Mount Assiniboine Provincial Park, first climbed in 1901 by James Outram with guides Hasler and Bohren.
Mt. Blackburn
Mount Blackburn (Ahtna: K'als'i T'aadi), 16,390 ft, is the highest peak of Alaska's Wrangell Mountains, an eroded shield volcano in Wrangell-St. Elias National Park; first climbed by Dora Keen in 1912.
Mt. Cairnes
Mount Cairnes: two official Yukon mountains named for geologist D.D. Cairnes, a 2,798 m glaciated ultra in the Kluane Range (named 1920s) and a 1,979 m Ogilvie Mountains peak (1960s); also a 3,060 m BC peak.
Mt. Chamberlin or Mt. Isto
Mt. Chamberlin or Mt. Isto: the disputed identity of the Brooks Range's highest peak. 2014–2015 fodar photogrammetry and summit GPS by Matt Nolan and Kit DesLauriers established Mount Isto (8,975 ft) as highest, demoting Chamberlin to third.