Located off the northeast coast of Baranof Island, 22.5 km (14 mi) north of Baranof, Alexander Archipelago. 10 miles long.
Named in 1935 byU.S. Forest Service (USFS)for Catherine I (Martha Skavronskaya), 1684-1727, Empress and Tsarina of Russia, 1725-27, who financed and encouraged Vitus Bering in his early explorations of the Aleutian Islands and Alaska.
Coleman Reef, Midway Reef, Morris Reef, Plover Rock,
Bays:The Basin, Cosmos Cove, Echo Cove, Ell Cove, Florence Bay, Hanus Bay, Kasnyku Bay, Kelp Bay, Lindenberg Harbor, Middle Arm Kelp Bay, Sitkoh Bay, South Arm Kelp Bay, Waterfall Cove,
Capes:Point Lull, Point Moses, Point Thatcher, Point Turbot, Point Craven, Point Hanus, Point Hayes, False Lindenberg Head, Lindenberg Head, North Point, North Point, Peninsular Point, Portage Point, South Point,
Channels:Portage Arm, Thatcher Channel,
Cliffs:Islands:Catherine Island, Crow Island, Dead Tree Island, Fairway Island, McClellan Rock, Pond Island, Round Island, Svensen Rock, Traders Island, White Rock, White Rock, Yellow Rock, Zubof Rock,
Lakes:Lake Eva, Goat Lake, Hidden Falls Lake, Kasnyku Lake, Sitkoh Lake,
Rivers:Streams:Cutthroat Creek, Kasnyku Creek, Sitkoh Creek,
Routes:Lake Eva Trail, Sitkoh Lake Trail,
Cities:Waterfalls: