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Third Fork Cabin

FSU.S. Forest Service — Idaho · Boise National Forest

AgencyFSU.S. Forest Service
AreaBoise National Forest
LocationIdaho · Boise National Forest · 44.37306, -116.30083 · Map
Sites1 public sites counted from the federal listing — 1 cabin nonelectric
Getting a siteReservable — the federal listing marks this campground as taking reservations. Some sites or seasons may still be first-come; the listing’s own words are below.
HookupsElectric at 0 of 1 sites
Water hookups at 0 of 1 sites
Sewer hookups at 0 of 1 sites
Full hookups (all three at one site) at 0 of 1 sites
Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way.
Max RV lengthNot reported in the federal data
Months openNot in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov.
FeesNot reported — the federal listing carries no fee description for this campground.
Check-in / outIn 2:00 PM · Out 12:00 PM (most common in the listing)
AccessibilityN
Phone541-351-1182

Check availability & book on Recreation.gov →

This site takes no reservations and shows no live availability. Source: Recreation.gov (RIDB export pulled November 5, 2026); this listing was last updated in the federal record on 2026-02-25.

From the official listing

Overview 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.

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

Directions, from the listing

From Boise, Idaho, take Highway 55 north to Horseshoe Bend. Turn left on Highway 52 and drive west 9 miles to the junction at Sweet/Ola Highway (no road number), then take a slight right. Take this road north 17 miles to Ola. Make a slight left and continue north through Ola on Road 618 (Third Fork Road) to the Third Fork Cabin. This road changes from pavement to gravel a few miles north of Ola. Third Fork Cabin will be on the right-hand side of Rd. 618.

Nearest federal campgrounds

FSU.S. Forest ServiceAntelope (Boise National Forest, ID)
6 mi straight-line · EMMETT Idaho
FSU.S. Forest ServiceSagehen Creek
7 mi straight-line · EMMETT Idaho
FSU.S. Forest ServiceEastside
7 mi straight-line · EMMETT Idaho
FSU.S. Forest ServiceBig Flat
9 mi straight-line · Idaho
FSU.S. Forest ServiceFrench Creek
14 mi straight-line · CASCADE Idaho

Trip Card — Third Fork Cabin

Idaho · Boise National Forest

AgencyFS · U.S. Forest Service
LocationIdaho · Boise National Forest
FeesNot reported in the federal data
Getting a siteReservable
HookupsNone reported
Max RVNot reported
Months openNot in federal data
Sites1 sites

Book: recreation.gov/camping/campgrounds/232291 · Source: Recreation.gov, pulled November 5, 2026. Facility details come from federal recreation data and may be out of date — this site takes no reservations and shows no live availability; confirm details and book through Recreation.gov or the managing agency.