Mount Castner

Mount Castner is a 5,535-foot (1,687 m) elevation glaciated summit located 44 mi (71 km) west of Valdez in the Chugach Mountains of the U.S. state of Alaska, on land managed by Chugach National Forest. It is situated at the head of Ranney Glacier and Dartmouth Glacier. Although modest in elevation, relief is significant since the mountain rises from tidewater at Unakwik Inlet and College Fjord of Prince William Sound in approximately three miles. The mountain's name was applied in 1910 by Lawrence Martin, and officially adopted by the United States Geological Survey. This peak's name honors Joseph Compton Castner (1869–1946), who was with Captain Edwin F. Glenn during the exploration of this area in 1898.[2]

Mount Castner
Aerial view of west aspect
Highest point
Elevation5,535 ft (1,687 m) [1]
Prominence585 ft (178 m) [1]
Parent peakPeak 6140
Isolation1.41 mi (2.27 km) [1]
Coordinates61°11′24″N 147°35′02″W <[2]
Geography
Mount Castner
Location of Mount Castner in Alaska
LocationChugach National Forest
Valdez-Cordova Borough
Alaska, United States
Parent rangeChugach Mountains
Topo mapUSGS Anchorage A-2

Climate

Based on the Köppen climate classification, Mount Castner is located in a subarctic climate zone with long, cold, snowy winters, and mild summers.[3] Weather systems coming off the Gulf of Alaska are forced upwards by the Chugach Mountains (orographic lift), causing heavy precipitation in the form of rainfall and snowfall. Temperatures can drop below −20 °C with wind chill factors below −30 °C. This climate supports the Meares and Yale Glaciers surrounding this mountain. The months May through June offer the most favorable weather for climbing or viewing.

Mt. Castner in lower left corner of frame. Mount Grosvenor and Meares Glacier to right
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See also

References
  1. "Castner, Mount - 5,535' Alaska". listsofjohn.com. Retrieved 2020-03-12.
  2. "Mount Castner". Geographic Names Information System. United States Geological Survey. Retrieved 2020-03-12.
  3. Peel, M. C.; Finlayson, B. L. & McMahon, T. A. (2007). "Updated world map of the Köppen−Geiger climate classification". Hydrol. Earth Syst. Sci. 11. ISSN 1027-5606.
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