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Mount Defiance is a peak near the Columbia River Gorge in the US state of Oregon. It rises to an elevation of 5,010 feet (1,527 m)[2] in the Mark O. Hatfield Wilderness on the Mount Hood National Forest. The peak is in Hood River County, Oregon. The route up the mountain is often considered one of the hardest climbs in the Gorge;[3] the trail gains 5,000 feet (1,500 m) in 6 miles (9.7 km) from the Starvation Creek Trailhead.[4]

This article is about the mountain in Oregon state. For other locations, see Mount Defiance.
Mount Defiance
Mount Defiance
Location in Oregon
Highest point
Elevation5,010 ft (1,527 m) NAVD 88[1]
Prominence1,520 ft (463 m)[2]
Coordinates45°38′55″N 121°43′22″W[1]
Geography
LocationHood River County, Oregon, U.S.
Parent rangeCascades
Topo mapMount Defiance

Mount Defiance is composed chiefly of lava flows.[5] The base is basalt from an old shield volcano, and it is capped by andesite.[6]

Mount Defiance from Dog Mountain
Mount Defiance from Dog Mountain

References


  1. "Mt Defiance". NGS Data Sheet. National Geodetic Survey, National Oceanic and Atmospheric Administration, United States Department of Commerce. Retrieved 2016-05-01.
  2. "Mount Defiance, Oregon". Peakbagger.com. Retrieved 2013-01-17.
  3. "Mount Defiance". Friends of the Columbia Gorge. Retrieved 2016-05-01.
  4. "Starvation Creek State Park". Oregon Parks and Recreation Department. Retrieved 2016-05-01.
  5. Scott, W.E.; Pierson, T.C.; Schilling, S.P.; et al. (1997). "Volcano Hazards in the Mount Hood Region, Oregon" (PDF).
  6. Korosec, Michael (1987). "Geologic Map of the Hood River Quadrangle, Washington and Oregon" (PDF). Retrieved 2016-05-01.




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