Penn Basin Campground

The Penn Basin Campground near Landmark, Idaho, offers 6 campsites in a peaceful, remote setting near mountain slopes covered in dense pine forest. Peak season for the campground is typically early June through late September. It can be accessed by most vehicles; however the road is narrow and may be rough in spots.

Natural Features:

The campground sits in a pretty mountain meadow a stone's throw from scenic Johnson Creek, a tributary of the South Fork Salmon River. Wildlife watchers may see deer, elk, bear and moose. Bald eagles are often spotted soaring overhead. Plenty of wildflowers and possible wildlife viewing.


Check on the Motor Vehicle Use Map (MVUM) for non-motorized and motorized trails. The area is a popular destination for hikers, mountain bikers and equestrians. The South Fork Salmon River and Johnson Creek offer opportunities for fishing. Berry picking and hunting are popular pastimes in season.

Nearby Attractions:

The tiny community of Yellow Pine established in 1902 is north of the campground approximately 28 miles and offers limited services. The popular Yellow Pine Music & Harmonica Festival is held annually in August.

At a Glance

Reservations: No reservations are necessary and there are no fees with 6 campsites that is on a first come, first serve basis. 
Open Season: Beginning of June - Mid-September
Closest Towns: Cascade, Idaho
Water: No drinking water available
Restroom: Vault

General Information

  • From Boise, Idaho, travel north on State Highway 55 approximately 80 miles to Cascade, Idaho.

  • From Cascade, Idaho, travel north on State Highway 55 only a short distance to the turnoff at the Warm Lake Road (Forest Highway 22).  Take Forest Highway 22 northeast approximately 25 miles.

  • When you arrive within the Warm Lake area, Forest Highway 22 becomes Forest Service (FS) Road 579. 

  • Continue east on the FS Road 579 until it intersects with the FS Road 413, approximately 10 miles. 

Turn south at the intersection of FS Roads 413 and 579.  Proceed approximately 3 miles to the Penn Basin Campround.

General Notes:

Facilities:  The campsites have a fire ring, grill, picnic table and vault toilet.

Recreation Map

Map showing recreational areas. Map Information


Campground Camping

Total of 6 sites.

Lake and Pond Fishing

Near Johnson Creek.
Difficulty Level: Intermediate

Day Hiking

Rock Creek trail, from campground, is open to all users except 4-wheeled ATVs.
Difficulty Level: Intermediate

Horse Riding

Rock Creek trail, from campground, is open to all users except 4-wheeled ATVs.
Difficulty Level: Intermediate

OHV Camping


Picnic tables are in the surrounding area.

Recreation Areas

Recreation Activities


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