U.S. Forest Service · Boise National Forest · ID
Cottonwood Campground
Not publishedStatus
First-comeAccess
The place
A stay at the Cottonwood Campground enables guests to enjoy all the beauty and recreation offered around the Middle Fork Boise River and Arrowrock Reservoir. This tiny campground hosts 3 campsites. Weather is usually good from mid-May through late September and is easily accessible by car in good weather, although the road is sometimes rough and the drive can be seemingly long. Checking with the Mountain Ranger District, 208-587-7961, on road conditions before heading out is recommended. Natural Features: The campground is situated just north of the reservoir along Cottonwood Creek. Keep reading
There is at a switchback of Forest Service (FS) roads 268 and 377. It is located less than a mile along FS road 377. Wildlife watchers may want to look for deer and elk. Waterfowl, eagles and osprey are attracted to the river. Recreation: Cottonwood Trail begins nearby, leading to Bald Mountain. Arrowrock Reservoir is a premier fishing destination in southwest Idaho. It offers excellent trout fishing for rainbow and cutthroat trout. There are also good swimming holes. Big game hunting is a popular activity in season. The Middle Fork Boise River is just north of the campground and also offers great fishing.
SRC · USFS Enterprise Data Warehouse · 2026-08-24
No reservation needed
First come,
first servedArrive early — popular areas fill by afternoon
first servedArrive early — popular areas fill by afternoon
SRC · Rules verified against recreation.gov · 2026-08-24
Your representative
This campground sits in ID-01. This member’s public-lands record →
SRC · U.S. Census TIGER · MTJP Scorecard