2.5 mi SE of Gilahina Butte, and 6 mi NNE of Nelson Mountain, Wrangell Mts.
So named in 1966 by Dave Dann of Chitina because of a "large rock rising above waterline 50 feet from NW shore."
Crystalline Falls, Crystalline Hills,
Lakes:Billy Lake, Chokosna Lake, Hanagita Lake, Lana Lake, Moose Lake, Muskrat Lake, Rock Lake, Skull Lake, Tooth Lake,
Mountains:Gilahina Butte, Lost Butte, Nelson Mountain,
Mountain Passes:Rivers:Chokosna River, Gilahina River, Lakina River,
Streams:Berg Creek, Clear Creek, Crystal Creek, Dike Creek, Dora Creek, Dry Creek, Grant Creek, Lake Creek, Larsen Creek, MacDougall Creek, Nugget Creek, Porcupine Creek, Sangaina Creek, Sheep Creek, Skull Creek, Slatka Creek, Squaw Creek, Trail Creek,