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The site details and map below come from the public Recreation.gov record and are accurate. For current dates and to book, go to Recreation.gov.
Black Rock Campground is located approximately 20 miles from Idaho City, on the North Fork Boise River, at an elevation of 4,300 feet. Visitors enjoy fishing, swimming and exploring local trails.
The North Fork Boise River offers rainbow trout fishing in a beautiful natural setting. Many swimming holes can be found within a short distance of the campground.
Numerous trail opportunities for hiking, mountain biking, horseback riding and dirt biking can be found in the vicinity.
The campground contains 11 single campsites, each equipped with a picnic table, campfire ring, and lantern hook. Vault toilets, and drinking water are provided within the campground. Roads and parking spurs are dirt. Garbage Collection is not provided.
The campground sits on the banks of the North Fork Boise River, where Ponderosa Pines tower over the area. Most campsites have partial shade, but little privacy from other campers. A variety of wildlife makes its home around the campground.
From Idaho City, travel north on State Highway 21 for about two miles, to the Granite Creek/Rabbit Creek Road No. 327. Turn right and travel east for 18 miles on Road No. 327, to the campground. Be advised- FS road 327 is a dirt road that is only graded a couple of times a year. It can get very rough with washboarding and potholes.
View on Recreation.gov ↗ Get directions ↗












Online reservations for this facility, where offered, are made through Recreation.gov. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
Campsite Sniper does not currently hold availability data for Black Rock, so there is nothing to date here. That is a gap in coverage — it does not mean the facility is full or closed. Check Recreation.gov for current dates.
11 of the 11 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 99 ft.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Black Rock. One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.