Located 3.2 km (2 mi) S of Unavihshak Island and 4.8 km (3 mi) NE of Katmai Reef.
HistoryNamed for a Coast and Geodetic Survey triangulation station located on the feature; descriptive name.
Atkulik Island, Flat Top Rock, Gull Island, Kak Island, Nakchamik Island, Unavikshak Island,
Streams: