Castle Flats
USFS · Lookout/Cabin · Fee
Fast facts
- Cost
- Fee charged
- Managed by
- USFS
- Type
- Lookout/Cabin
- Reservations
- recreation.gov
- Coordinates
- 56.6463, -133.2504
- Last verified
- September 18, 2026
About this place
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.
From the USFS.Official page
Is Castle Flats free?
No. Castle Flats charges a fee. It is managed by the USFS. Sites are reservable through recreation.gov.
How do I get to Castle Flats?
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
Nearby
- Castle River Cabin Site0.4 mi
- Breiland Slough Cabin Site3.5 mi
- Kah Sheets Lake Cabin Site7.2 mi
- Beecher Pass Cabin Site8.3 mi
- Harvey Lake Cabin Site9.3 mi
- Warm Fish Lake Shelter (2p38)9.2 mi
- Blind River Rapids Shelter13.7 mi
- Towers Arm Cabin Site14.1 mi
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.
