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Grayback Campground and Group sites - reserve
FSU.S. Forest Service — Idaho · Boise National Forest
| Agency | FSU.S. Forest Service |
|---|---|
| Area | Boise National Forest |
| Location | Idaho · Boise National Forest · 43.80485, -115.86243 · Map |
| Sites | Not reported — the federal listing names no individual sites for this campground |
| Getting a site | First-come, first-served only — this campground takes no reservations. |
| Hookups | Not reported in the federal data |
| Max RV length | Not reported in the federal data |
| 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 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 2026-02-25.
From the official listing
Grayback Campground is located 36 miles northeast of Boise, Idaho, just off scenic State 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.
Natural Features:
The campground is situated on a hillside about a quarter-mile above State 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.
Recreation:
Mores Creek can be accessed just below the campground. Anglers fish for 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.
Directions, from the listing
From Boise, Idaho, take State Highway 21 north for 36 miles.
The campground access road is located on the east side State Highway 21, between mileposts 36 and 37.
Turn right and proceed less than a mile to the campground.
Nearest federal campgrounds
0 mi straight-line · IDAHO CITY 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 Campground and Group sites - reserve
Idaho · Boise National Forest
| Agency | FS · U.S. Forest Service |
|---|---|
| Location | Idaho · Boise National Forest |
| Fees | Not reported in the federal data |
| Getting a site | First-come only |
| Hookups | Not reported |
| Max RV | Not reported |
| Months open | Not in federal data |
| Sites | Not reported |
Book: recreation.gov/camping/campgrounds/251141 · 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.