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 f…
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: (2
Photos
A large forested area with picnic tables and a restroom in the bathroom. — Peggy Nance / USDA Forest ServiceA large parking lot with parking beams for Grayback Group A. — Peggy Nance / USDA Forest ServiceA paved driveway leading to a single campsite. — Peggy Nance / USDA Forest ServiceA long paved driveway next to a single campsite. — Peggy Nance / USDA Forest ServiceA moderately long paved driveway next to a single campsite. — Peggy Nance / USDA Forest ServiceA paved driveway leading to site 5. — Peggy Nance / USDA Forest ServicePaved driveway leading to a spacious single campsite. — Peggy Nance / USDA Forest ServiceA pine-laden single campsite in the woods. — Peggy Nance / USDA Forest ServiceA paved long driveway to a campsite. — Peggy Nance / USDA Forest ServiceA sign reading "Grayback Loop Trail / Nonmotorized Trail" surrounded by shrubs. — Peggy Nance / USDA Forest ServiceA paved driveway leading to a double campsite in the woods. — Peggy Nance / USDA Forest ServiceA double campsite surrounded by trees with a bordered driveway. — Peggy Nance / USDA Forest Service
How to Get There
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.
Download your route in advance via Gaia, Caltopo, or OSM-based apps.
Recommendations adapt to the current forecast + trail stats. Use them as a starting point — local conditions, your experience, and the time of day you start all matter.
Plan Your Visit to GRAYBACK
Heading to GRAYBACK? A few things to know before you go:
Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
Fees: day-use and camping fees vary; check current rates on the official park page
Trash & pack-out: follow Leave No Trace principles
Wildlife: store food in bear boxes where provided; never feed wildlife
Weather: the 5-day forecast above is updated every 6 hours; verify just before you go
Frequently Asked Questions
Do I need a reservation for GRAYBACK?
No central reservation system listed for GRAYBACK. Check the official page (https://www.recreation.gov/camping/campgrounds/231911) for the latest entry policy and availability.
How do I get to GRAYBACK?
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.
How do I contact GRAYBACK?
You can reach the park at phone: 208-392-6681 or email: [email protected].
