Third Fork Cabin

Boise National Forest



Third Fork Cabin is a rustic cabin nestled in an old-growth Ponderosa pine forest offering outdoor activities such as fishing, big game hunting and birdwatching. It provides modern comforts such as a hot water heater, toilet, shower and refrigerator, although guests will need to bring their own drinking water and extra supplies. Situated 18 miles east of the cabin is the Sagehen Reservoir providing further recreational activities.


Third Fork Cabin is a former guard station, first established in 1906 as Station 10 and renamed Third Fork in 1908. A cabin was built at that time, which
existed until the site was rebuilt by the Civilian Conservation Corps in 1933. The current cabin's exterior has changed little since that time, with the exception of a metal roof being added sometime before 1984.
The cabin is available between mid-April until late-October, and is accessible by car. Many modern comforts are provided at the cabin, but guests may need to bring some additional supplies and gear for their stay.


Anglers can fish in adjacent Squaw Creek, and big game hunting is also a popular pastime.


This rustic cabin sleeps four people with one double bed and two single beds with mattresses. Other amenities include a propane cook range, table with chairs, hot water heater, indoor flush toilet, shower and propane heater and refrigerator. A picnic table, campfire ring and pedestal grill sit within the fenced yard.

A camp host is located at Antelope Campground, 18 miles east in the Sagehen Reservoir area, where firewood can be purchased.

While the water at the cabin is potable, guests should bring their own supply of drinking water as a back-up. Bedding, lighting, cookware and utensils are not provided. Guests are expected to clean the cabin before leaving.

Natural Features

Third Fork Cabin sits in a steep mountain landscape heavily forested with old-growth Ponderosa pine at an approximate elevation of 4,700 feet. Tall grasses and various hardwoods grow on the site. Small mountain streams containing native fish flow nearby, and the area is marked by unusual juxtapositions of basalt and granitic rock.

Wildlife watchers may spot elk or deer wandering through the area during dawn or dusk, as well as glimpse a bear or moose. Birders can look for a wide variety of bird species.

Nearby Attractions

Sagehen Reservoir is a popular recreation area about 18 miles east of the cabin, offering numerous trails for off-road vehicles, hiking, mountain biking and horseback riding. Click here for an Idaho OHV safety message. Fishing and boating are permitted in the reservoir, and there is also a picnic area at Sagehen Dam.
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Campground Matrix

Set alerts at more campgrounds to increase your odds of getting a place to stay! Below is a list of the closest campgrounds supported on Campflare. Or, view all campgrounds in Boise National Forest.

Nearby Campgrounds Distance Notification Rate
Antelope (Boise National Forest, Id)
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Sagehen Creek
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6.6mi 50%
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Big Flat
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French Creek
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Cold Springs - Boise Nf (Id)
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