Heads in Upper Marten Lake, flows S through Clay Lakes to N shore of Bradfield Canal, 1.5 mi E of Blake Channel, on the mainland, SW Alaska.
Named in 1923 by U.S. Forest Service (USFS).
Anan Bay, Berg Bay, Bradfield Canal, Fools Inlet, Frosty Bay, Southeast Cove,
Capes:Point Warde, Capel Point, Kuakan Point, Thoms Point,
Channels:Blake Channel, The Narrows, Seward Passage,
Islands:Blake Island, Deer Island, Found Island, Neptune Island,
Lakes:Anan Lagoon, Anan Lake, Boulder Lake, Campbell Lake, Clay Lake, Halfmoon Lake, Highbush Lake, Marten Lake, Tom Lake, Upper Marten Lake,
Streams:Aaron Creek, Anan Creek, Berg Creek, East Fork Anan Creek, Fools Creek, Frosty Creek, Gray Creek, Hoya Creek, Marten Creek, Oerns Creek, Shag Creek, Tom Creek,
Routes: