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Alaska · Federal campground

Castle Flats Cabin

16 mi southwest of Kupreanof, AK · AT&T 4G

Federal campgroundtype
Reservablebooking

About Castle Flats Cabin

Castle Flats Cabin is located on Kupreanof Island on the coastal waters of southeastern Alaska. It offers access to a variety of outdoor recreational opportunities, as well as a secluded place to enjoy its beautiful surroundings. 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. Visitors are responsible for their own travel arrangements and safety, and must bring several of their own amenities. The Castle River Trail is an easy, 1-mile trail that leads first to the Castle River Cabin and continues upstream another half-mile through forest and muskeg. Wildlife can be seen along the trail. Waterfowl, grouse, moose, deer and bear hunting is available in designated seasons as per state or federal hunting regulations; click here for more information from the Alaska Department of Fish…

  • Fees: Reservations can be made the day of arrival or up to 180 days in advance and are restricted to a maximum stay of 7 consecutive nights per…
  • Managed by: Tongass National Forest, FS
  • Where: 16 mi southwest of Kupreanof, AK · 56.64611, -133.25

Things to do:

FishingHikingBoating & paddlingWildlife & birdingHunting

Official page for this camp (fees, closures, booking)

Trails near camp

TrailOpen toFrom campLength
Castle River TrailHikingat camp1.0 mi

Straight-line distance from camp, from Forest Service, BLM, state and OpenStreetMap trail data.

See Castle Flats Cabin from above

Fly over it in 3D, check today's weather and fire news, plan the drive and print a trip plan.

Good to know

Cell signal

AT&T 4G

From the carriers' FCC coverage maps, which tend to be generous.
Night sky: Pristine

The Milky Way casts shadows and the sky is crowded with stars.

Class 1 of 9, from NASA/NOAA night-light data.