Castle Flats Cabin


Castle Flats Cabin

The Castle Flats single level hunter style cabin has an oil heater (#1 stove oil only), 4 single bunks, wood stove, woodshed, axe/maul, wooden table and benches, counter, rowboat with oars, and pit-type outhouse. Life jackets, stove oil, bedding, and cooking utensils are not provided. Firewood is provided for wood stove use only, but is not guaranteed. The area near the cabin is predominantly flat; old growth forest, muskeg and riparian.

At a Glance

A $9 reservation fee will be added to each reservation.
Fees $40/night peak season May 1 – September 30
$25/night non-peak season October 1 – April 30
Usage: Light
Water: No
Restroom: Pit Toilet
Operated By: Forest Service - Petersburg Ranger District

General Information


16 air miles (25 km) or 30 water miles (48 km) from Petersburg on the edge of the mud flats of Castle River, on the west side of Duncan Canal on Kupreanof Island

General Notes:


The cabin is accessible only by boat or float plane from Petersburg, and tides impact access. During low tides, a 2-mile hike is necessary to reach the cabin. A minimum of a 13’ tide is required to reach the cabin.

Recreation Map

Map showing recreational areas. Map Information

  • Reset Map
    Reset Map
Loading Icons...


Camping & Cabins

Show detail SHOW


Show detail SHOW


Show detail SHOW


Show detail SHOW

Nature Viewing

Show detail SHOW

Water Activities

Show detail SHOW
Areas & Activities


  Latitude : 

  Longitude : 

  Elevation : 
sea level