USFS · Lookout/Cabin · Fee
The Castle River modified A-frame style cabin has a wood stove, 2 double bunks, a loft, woodshed, axe/maul, wooden table and benches, counter, deck and pit-type outhouse. 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 to rolling with muskeg and old growth forest.Firewood is generally available, but not guaranteed. Firewood is for heating the cabin only, not for outdoor campfires.
From the USFS.Official page
No. Castle River Cabin Site charges a fee. It is managed by the USFS. Sites are reservable through recreation.gov.
16 air miles (25 km) or 30 water miles (48 km) from Petersburg at mouth of Castle River on west side of Duncan Canal on Kupreanof Island.
No other services within 50 mi on the record.
SourceData from the USFS. Last synced September 18, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.