extends S from Sevenmile Lake, near W end of Amphitheater Mts., 28 mi. WNW of Paxson, Alaska Range. 1.5 miles long.
So named in 1955 by T. L. Péwé, U.S. Geological Survey (USGS), "because the valley is choked with huge rock blocks, each as large as a house."
Eureka Glacier, Maclaren Glacier,
Lakes:Basalt Lake, Downwind Lake, Glacier Gap Lake, Osar Lake, Petrokov Lake, Phalarope Lake, Sevenmile Lake,
Mountains:Mountain Passes:Ridges:Rivers:Streams:Valleys: