Alagnak River topographic map
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Alagnak River topographic map, elevation, terrain
About this map
Name: Alagnak River topographic map, elevation, terrain.
Location: Alagnak River, Lake and Peninsula, Alaska, United States (59.04474 -156.38777 59.12380 -156.27819)
Average elevation: 128 ft
Minimum elevation: 56 ft
Maximum elevation: 210 ft
Routes: Lake and Peninsula GPS tracks, routes, trails, hikes
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Aniakchak National Monument
United States > Alaska > Lake and Peninsula
The national monument is centered on the 6-mile (9.7 km) diameter crater of ancient Mount Aniakchak, which was destroyed and the resulting crater formed during a caldera collapse event about 3,700 years ago. The original mountain, about 7,000 feet (2,100 m) tall, collapsed into its magma chamber, leaving an…
Average elevation: 1,234 ft