Ice fields and glaciers are abundant throughout the area. Permafrost is discontinuous. Glacier streams radiate from the area. Lakes are few, and wetlands cover 7 percent of the area. Wildfires are almost nonexistent.
Snow avalanches are frequent in the winter.
Some mining has been conducted in the past. Subsistence and recreational activities presently occur. Upper Tanana and Ahtna Athabaskans reside here. Compiled by Alaska Region.