Overview 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. Recreation 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. Facilities 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. Natural Features 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. Contact Info This location is unstaffed. To speak with our main office for general information, please call: (208) 392-3700.