Indenting the shore of Duncan Canal on Kupreanof Island, 2 mi S of Ohmer Slough, 11 mi. SW of Petersburg, Alex. Arch.
Local name reported in 1960 by U.S. Forest Service (USFS). See Ohmer Slough.
Bains Cove, Goose Cove, Hoagies Hole, Krauses Hole, Little Duncan Bay, McDonald Arm, North Arm Duncan Canal, Towers Arm,
Capes:Beacon Point, Goose Point, Hood Point, Indian Point, Lindenberg Peninsula,
Channels:Beecher Pass, Duncan Canal, Keene Channel, Whiskey Pass,
Islands:Big Castle Island, Big Saltery Island, Blowdown Island, Butterworth Island, Christmas Island, Cloverleaf Island, Emily Island, Fair Island, Grief Island, High Castle Island, Jewell Island, Little Saltery Island, Pearl Island, Rookery Island, Stop Island, Woewodski Island,
Lakes:Colp Lake, Harrys Lake, Harvey Lake, Kah Sheets Lake, Petersburg Lake, Salt Chuck,
Mountains:Del Monte Peak, Duncan Peaks, Kupreanof Mountain, Portage Mountain, Scott Peak, Sheridan Peak, Sherman Peak,
Parks:Beecher Pass State Marine Park,
Mountain Passes:Mitchell Slough, Ohmer Slough,
Rivers:Streams:Coho Creek, Duncan Creek, Kah Sheets Creek, Middle Creek, Petersburg Creek, Taylor Creek,
Routes:Duncan Canal Portage, Harvey Lake Trail, Kah Sheets Trail, Petersburg Trail, Portage Mountain Loop Trail,