Black Rock
FSU.S. Forest Service — IDAHO CITY · Idaho · Boise National Forest
| Agency | FSU.S. Forest Service |
|---|---|
| Area | Boise National Forest |
| Location | IDAHO CITY · Idaho · Boise National Forest · 43.79528, -115.58722 · Map |
| Sites | 11 public sites counted from the federal listing — 11 standard nonelectric |
| Getting a site | Reservable — 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. |
| Hookups | Electric at 0 of 11 sites Water hookups at 0 of 11 sites Sewer hookups at 0 of 11 sites Full hookups (all three at one site) at 0 of 11 sites Counted site by site from affirmative reports in the federal record. A site with no report is not counted either way. |
| Max RV length | Longest reported site fits 99 ft Sites that fit at least — 25 ft: 11 sites · 30 ft: 11 sites · 35 ft: 11 sites · 40 ft: 10 sites |
| Months open | Not in federal data — the federal listing does not publish a season for this campground. Check the official description below or Recreation.gov. |
| Fees | Not reported — the federal listing carries no fee description for this campground. |
| Check-in / out | In 12:00 PM · Out 11:00 AM (most common in the listing) |
| Pets | Allowed at 11 sites, as reported |
| Accessibility | N |
| Amenities, as reported | Drinking waterRiver access |
| Phone | 208-392-6681 |
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 2026-03-11.
From the official listing
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.
Directions, from the listing
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.
Nearest federal campgrounds
3 mi straight-line · IdahoFSU.S. Forest ServiceBarber Flat Cabin (Boise National Forest, ID)
3 mi straight-line · IDAHO CITY IdahoFSU.S. Forest ServiceTen Mile Campground
9 mi straight-line · Idaho City IdahoFSU.S. Forest ServiceBad Bear Campground
10 mi straight-line · Idaho City IdahoFSU.S. Forest ServiceEdna Creek Campground
10 mi straight-line · Idaho City Idaho
Trip Card — Black Rock
IDAHO CITY · Idaho · Boise National Forest
| Agency | FS · U.S. Forest Service |
|---|---|
| Location | IDAHO CITY · Idaho · Boise National Forest |
| Fees | Not reported in the federal data |
| Getting a site | Reservable |
| Hookups | None reported |
| Max RV | Up to 99 ft |
| Months open | Not in federal data |
| Sites | 11 sites |
Book: recreation.gov/camping/campgrounds/234007 · 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.