Description
Ptarmigan Lake is located in course of Ptarmigan Creek, 2 mi. NE of Rock Lake and 64 mi. NE of McCarthy; Alaska Range
History
local name reported in 1908 by S. R. Capps, U.S. Geological Survey (USGS) (Moffit and Knopf, 1910, pl. 1); applied to lake now called Rock Lake. application proposed in 1963 by U.S. Geological Survey (USGS).