in Portlock Harbor, 5.5 mi. NW of Chichagof, on W coast of Chichagof I., Alex. Arch.
Named by U.S. Coast and Geodetic Survey (USC&GS) and published in 1928 on Chart 8258. "Lock" is the last syllable of the name "Portlock," the name of the harbor.
Palmtree Islands, Porcupine Islands,
Bars:Black Rock, Fran Reef, Frog Rock, Guide Rock, Ittar Rock, Khaz Breakers, Middle Breaker, Minnie Reef, Ninefoot Shoal, Outer Rocks, Snipe ock,
Bays:Baker Cove, Bertha Bay, Black Bay, Constantine Cove, Davison Bay, Didrickson Bay, Double Cove, Elkugu Bay, Goulding Harbor, Ilin Bay, Islas Bay, Khaz Bay, Kimshan Cove, Klag Bay, Kukkan Bay, Little Bay, Lost Cove, Mirror Harbor, Pinta Bay, Porcupine Bay, Portlock Harbor, Stag Bay, West Arm Mirror Harbor, Zhilo Cove,
Capes:Point Partennoi, Point Razbitie, Point Lydonia, Point Shultz, Point Simonds, Point Weigle, Point Dougherty, Point Hope, Cape Dearborn, Cape Edward, Clearing Point, Copper Point, Division Point, Drip Point, Fox Point, Hogan Point, Khaz Head, Maud Point, Pole Point, Quit Point, Rose Point, Round Point, Slope Point, Soloma Point, Takeena Peninsula, Trap Point, Vein Point,
Channels:Caution Passage, Dry Pass, Elbow Passage, The Gate, Gig Pass, Imperial Passage, Kukkan Passage, Lisianski Strait, Ogden Passage, Piehle Passage, Rough Channel, Smooth Channel, South Passage, Surveyor Passage, Tawak Passage,
Flats:Hot Springs:Islands:Baird Island, Beric Island, Black Island, Brown Rock, Cormorant Island, Deuce Island, Dippy Island, Duck Island, Edward Islands, Elkugu Island, Fairway Rock, Fitz Island, Fleming Island, Grace Island, Granite Islands, Gray Rock, Gull Rock, Herbert Graves Island, Hill Island, Hogan Island, Kinky Island, Klag Island, Leo Island, Lock Island, Lydonia Island, Middle Island, Myriad Islands, Oval Rock, Paulina Island, Peer Island, Pluma Island, Port Island, Post Island, Ramp Island, Rowe Island, Shale Island, Sholin Island, Skinner Island, Snag Island, Snipe Island, Snipe Rock, Steep Island, Sushilna Island, Tentree Island, Three Tree Island, Triplet Islands, Twin Island, Vorota Island, White Sisters, Winifred Island,
Lakes:Lake Cunningham, Lake Morris, Lake Helen, Lake James, Lake Anna, Black Lake, Duck Lake, Lake Elfendahl, Goose Lake, Goulding Lake, Goulding Lakes, Otter Lake, Sister Lake, Lake Smiley, Whitestripe Lake, Wild Rice Lake,
Mine:Cobol Mine, Golden Hand Apex Mine, Hirst-Chichagof Mine (historical),
Mountains:Apex Mountain, Mount Baker, Mount Barness, Big Chief Mountain, Mount Crowther, Cub Mountain, Doolth Mountain, Mount Douglas, Mount Drake, Flat Top Mountain, Freeburn Mountain, Mount Fritz, Goon Dip Mountain, Mount Hill, Hirst Mountain, Mount Lydonia, Mine Mountain, Mineral Mountain, North Mountain, Pinnacle Mountain, Pinnacle Peak, Mount Pinta, Mount Raatikainen, Whitestripe Mountain, Williams Hill,
Mountain Passes:Fleming Channel, Sea Level Slough, West Arm,
Pillars:Rivers:Black River, Goon Dip River, Goulding River, Lisianski River, Porcupine River, Saltery River, Stag River, Steelhead River, Stranger River,
Streams:Chichagof Creek, Falls Creek, Marble Creek, Phonograph Creek, Rust Creek,
Routes: