15 mi. NE of Cape Decision, in Affleck Canal, on S coast of Kuiu I., Alex. Arch. 0.5 mile wide.
Named in 1886 by Lieutenant J. M. Helm, U.S. Navy (USN), for charting purposes and published in 1887 by U.S. Coast and Geodetic Survey (USC&GS) on Chart 706.
Port McArthur, Port Beauclerc, Port Malmesbury, Alvin Bay, Bear Harbor, Crowley Bight, Explorer Basin, Gedney Harbor, Harris Cove, Howard Cove, Kell Bay, Louise Cove, Orel Anchorage, Petrof Bay, Table Bay, Thetis Bay,