Diamond Peak, Shield volcano in Klamath County, Oregon, US.
Diamond Peak rises to an elevation of 8,748 feet with steep slopes formed of basaltic andesite and features an andesitic volcanic cone containing pyroclastic materials.
William Macy and John Diamond completed the first recorded ascent of the mountain in July 1852 while surveying for the Free Emigrant Road construction.
The Diamond Peak Wilderness extends across 52,611 acres, supporting Roosevelt elk, black-tailed deer, red squirrels, and multiple bird species within its diverse forest ecosystems.
Climbers can reach the summit through Rockpile and Summit Lake trailheads, with hiking routes requiring approximately eight hours to complete the ascent.
The volcano displays substantial evidence of glacial erosion, featuring distinct cirques and moraines that demonstrate the extensive impact of past ice movements.
GPS coordinates: 43.52070,-122.14961
Latest update: March 5, 2025 22:49
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