Information About

Big Castle Island

Quick Facts

Open in The Map

Location

56 ° 39' 42.001" N,
133 ° 10' 36.998" W

Region

Petersburg (CA)

Nearest City

Kupreanof

Part of

Castle Islands

Length

1 mi (1.61 km)

Elevation

125 ft (38.1 m)

Big Castle Island in Detail.

About

one of Castle Is., in Duncan Canal, 13 mi. SW of Petersburg, on SW coast of Kupreanof I., Alex. Arch.; 1 mile long.

History

Local name reported in 1933 by R. H. Sargent, U.S. Geological Survey (USGS); so named because it is the largest of the Castle Islands.

Topo Maps

Petersburg C-4 (1948), Petersburg C-4 (1951), Petersburg C-4 (1951), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1952), Petersburg (1960), Petersburg (1960), Petersburg (1960), Petersburg C-4 (1995), Petersburg C-4 NW (2017),

Places Near Big Castle Island

Archipelagos:

Castle Islands, Level Islands,

Bars:

Burnt Island Reef, Coply Reef, Midway Rock, Spike Rock,

Bays:

Bains Cove, Douglas Bay, Hoagies Hole, Kah Sheets Bay, Krauses Hole, Little Duncan Bay, McDonald Arm, North Arm Duncan Canal, Scow Bay, Towers Arm,

Capes:

Point Humbug, Point Lockwood, Bayou Point, Blunt Point, Boulder Point, Deception Point, Goose Point, Hicks Point, Hood Point, Indian Point, Inlet Point, Lindenberg Peninsula, Mitchell Point, No Thorofare Point, Turn Point,

Channels:

Beecher Pass, Duncan Canal, Keene Channel, Petersburg Bar Range, Whiskey Pass,

Islands:

Battery Islets, Big Castle Island, Big Level Island, Big Saltery Island, Blowdown Island, Burnt Island, Butterworth Island, Christmas Island, Cloverleaf Island, Emily Island, Fair Island, Foremost Rock, Grief Island, High Castle Island, Jewell Island, Kah Sheets Island, Keene Island, Little Level Island, Little Saltery Island, Lung Island, Moss Island, Northerly Island, Pearl Island, Point Lockwood Rock, Rookery Island, White Rock, Woewodski Island,

Lakes:

Colp Lake, Green Rocks Lake, Harrys Lake, Harvey Lake, Kah Sheets Lake, Petersburg Lake, Salt Chuck,

Mountains:

Del Monte Peak, Duncan Peaks, Narrows Peak, Petersburg Mountain, Portage Mountain,

Parks:

Beecher Pass State Marine Park,

Mountain Passes:

Mitchell Slough, Ohmer Slough,

Rivers:

Castle River,

Streams:

Coho Creek, Duncan Creek, Kah Sheets Creek, Middle Creek, Petersburg Creek, Taylor Creek,

Cities:

Kupreanof,

Routes:

Colp Lake Trail, Duncan Canal Portage, Harvey Lake Trail, Kah Sheets Trail, Petersburg Trail, Portage Mountain Loop Trail,

Cities:

Doyhof, Scow Bay,