4 mi. ENE of Crosswind Lake and 22 mi. NNW of Glennallen, Copper River Basin. 4.5 miles long.
Local name recorded in 1910 by D. C. Witherspoon (in Moffit, 1912, pl. 1), U.S. Geological Survey (USGS). It may be a corruption of the name "Ivan," an Indian Chief on the Tanana River.
Birch Lake, Boulder Lake, Dog Lake, Ewan Lake, Fish Lake, Grass Lake, Horseshoe Lake, Middle Lake, Rock Lake, Round Lake,
Streams: