Heads in Lake Numver One at 610817N, 1464905W, flows SSW through Boreas Lake, then under Columbia Galcier to Heather Bay, 29 km (18 mi) SSE of Columbia Peak; Chugach Mts.
Chamberlain Bay, Columbia Bay, Eagle Bay, Emerald Cove, Finski Bay, Granite Cove, Growler Bay, Heather Bay, Heather Bay, Jade Harbor, Sawmill Bay, Useless Cove, Valdez Arm,
Capes:Point Freemantle, Bull Head, Cave Point, Elder Point, Elf Point, Finski Point, Flent Point, Long Point,
Channels:Glaciers:Columbia Glacier, East Branch Columbia Glacier (not official), First Branch Columbia Glacier (not official),
Islands:Busby Island, Glacier Island, Growler Island, Heather Island, Reef Island,
Lakes:Boreas Lake, Devish Lake, Kadin Lake, Lake Number 1, Lake Number One, Terentiev Lake,
Mountains:Mount Freemantle, Great Nunatak, Round Mountain,
Parks:Sawmill Bay State Marine Park,
Rivers:Streams: