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Grayback Campground in Idaho
Hard to BookNational Forest

Grayback Campground

Boise National Forest, Idaho

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As of October 2026, Grayback Campground is a campground in Boise National Forest, Idaho with 14 campsites. Grayback Campground is booked through Recreation.gov.

  • PermitSnag checks Grayback Campground for availability and tells alert holders when a site opens up.
  • Grayback Campground is located at 43.8072° N, 115.8647° W.
people allowed on 10 of 14 sites
6
people allowed on the largest site
150

Grayback Campground reservations and next available dates

October 2026

open, tap to book on Recreation.govsold outin your alert

Campsites at Grayback Campground

  • Standard 12
  • Group 2

What an RV fits

  • 25–29 ft1 site
  • 35–39 ft1 site
  • 40–44 ft1 site
  • 45–49 ft2 sites
  • 50–54 ft3 sites
  • 55–59 ft2 sites
  • 60–64 ft1 site
  • 65–69 ft2 sites
  • 85–89 ft1 site

Amenities

  • restrooms
  • potable water

At a glance: Setting: Mountain · Access: Paved road.

Things to do: fishing, hiking, wildlife, photography, offroad, horse riding.

All sites at Grayback Campground, as listed by Recreation.gov

SiteLoopTypeSleepsMax RV
003GRAYStandard666 ft
005GRAYStandard626 ft
006GRAYStandard639 ft
009GRAYStandard641 ft
010GRAYStandard649 ft
012GRAYStandard662 ft
013GRAYStandard659 ft
014GRAYStandard647 ft
016GRAYStandard653 ft
017GRAYStandard659 ft
GRPAGRPAGroup15050 ft
GRPBGRPBGroup10050 ft
001MULTStandard1269 ft
018MULTStandard1285 ft

About Grayback Campground

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.

Rules and notices at Grayback Campground

Recreation.gov does not date these notices. We last read them on September 29, 2026. Check Grayback Campground on Recreation.gov

Notices from Recreation.gov

Water from hand pump is tested monthly for contaminants and will be abruptly shut off if not currently potable. Please plan accordingly with your own water supply in case of a shut off during your stay.

Use caution on the campground access road; while the road is paved, it is a steep, one-lane road, with sharp turns

Due to limited parking space at the group site, large groups of RVs or trailers cannot be accommodated; tent camping is encouraged

Don't Move Firewood: Help prevent the spread of tree-killing pests in our national forests by obtaining firewood near your destination and burning it on-site. For more information visit dontmovefirewood.org.

Pets must be on a leash at all times

Campfires are allowed in fire rings ONLY, unless fire restrictions are in place. Contact Idaho City Ranger District for updates regarding fire restrictions.

Quiet hours are from 10pm-6am, generators are only permitted from 6am-10pm

Reservations cancelled last minute due to weather or smoke conditions will not be refunded unless campground is closed to the public.

For questions regarding the campground, please contact the Idaho City Ranger District at (208) 392-6681

For questions regarding reservations and refunds, please contact Recreation.gov customer service.

Grayback Campground FAQ

How hard is it to get a campsite at Grayback Campground?

Grayback Campground is rated "Hard to Book" based on historical demand. This campground is popular and often books out weeks in advance. Your best strategy is to monitor cancellations.

How do I find last-minute availability at Grayback Campground?

Cancellations happen frequently at Grayback Campground, especially 1-2 weeks before check-in dates. PermitSnag monitors availability 24/7 and sends instant alerts when sites open up due to cancellations. This is often the best way to snag popular campsites.

How many campsites does Grayback Campground have?

Grayback Campground has 14 campsites.

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