Grayback
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 · 43.80722, -115.86472 · Map |
| Sites | 14 public sites counted from the federal listing — 12 standard nonelectric; 2 group 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 14 sites Water hookups at 0 of 14 sites Sewer hookups at 0 of 14 sites Full hookups (all three at one site) at 0 of 14 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 85 ft Sites that fit at least — 25 ft: 14 sites · 30 ft: 13 sites · 35 ft: 13 sites · 40 ft: 12 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 14 sites, as reported |
| Accessibility | N |
| Amenities, as reported | Drinking water |
| 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 Grayback Campground is located 36 miles northeast of Boise, Idaho, just off scenic Highway 21. Historic Idaho City is just two miles north of the campground. Visitors enjoy fishing in Mores Creek and exploring the Grayback Gulch Trail.
Recreation Mores Creek can be accessed just below the campground. Anglers fish for whitefish and rainbow trout. Grayback Loop Trail begins within the site, offering a 1-mile footpath for hikers.
Numerous trail opportunities are in the area just north of Idaho City, where hiking, biking, horseback riding and off-road vehicles can be enjoyed. During the winter, the area becomes a playground for back country skiers and snowmobiles. Facilities The group campground contains two group sites with picnic and serving tables, grills, campfire circles and paved site pads. Site A can accommodate up to 150 people and 20 vehicles, and site B can accommodate up to 100 people and 15 vehicles. Both sites can be reserved at the same time, for even larger groups. The group sites share one accessible bathroom facility that has a men's and women's side, each with four stalls. There is also an accessible hand pump for drinking water and a dumpster that is shared between the two sites.
The campground hosts 15 single sites and 3 double sites, each equipped with a paved parking spot, picnic table, lantern hook, and campfire ring. Three vault toilets, a two accessible hand pumps for drinking water, and dumpster are provided in the campground. Sites 2, 4, 7, 8, 11, and 15 are not listed on Recreation.gov and are first-come-first-serve.
Natural Features The campground is situated on a hillside about a quarter-mile above Highway 21, at an elevation of 4,200 feet. A Ponderosa Pine forest covers the site, offering partial shade. Wildlife and summer wildflowers are abundant in the area. Mores Creek flows nearby, down the hillside from the campground
Contact Info This location is unstaffed. To speak with our main office for general information, please call: (208) 392-6681. Nearby Attractions Highway 21, also known as the Ponderosa Pine Scenic Byway, snakes along Mores Creek to Mores Creek Summit, Gold Fork and Banner Ridge, offering historic sites, hot springs pools and breathtaking views of the surrounding mountains and forest along the way to the campground.
The campground is only 2 miles away from historic Idaho City, which is an old gold mining town that hosts multiple restaurants, bars, shops, a vistor center, and a museum.
Directions, from the listing
From Boise, take State Highway 21 north for 36 miles. Campground access road is located on the east side of the road, between mileposts 36 and 37. Turn right and travel a quarter-mile to the campground.
Nearest federal campgrounds
0 mi straight-line · IdahoFSU.S. Forest ServiceTen Mile Campground
10 mi straight-line · Idaho City IdahoFSU.S. Forest ServiceBad Bear Campground
11 mi straight-line · Idaho City IdahoFSU.S. Forest ServiceEdna Creek Campground
11 mi straight-line · Idaho City IdahoFSU.S. Forest ServiceHayfork Group Cg
11 mi straight-line · IDAHO CITY Idaho
Trip Card — Grayback
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 85 ft |
| Months open | Not in federal data |
| Sites | 14 sites |
Book: recreation.gov/camping/campgrounds/231911 · 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.