Go if
You want a maintained seasonal base camp for hiking and fishing in Boise National Forest.
Select a month, then check for open campsites
Price
$20 - $100/night
Booking
Reservable
Sites
20 campsites
Season
Open May 21 to Septe...
Cell
Unknown
Pets
Very Pet Friendly
Select a month, then check for open campsites
Price
$20 - $100/night
Booking
Reservable
Sites
20 campsites
Season
Open May 21 to Septe...
Cell
Unknown
Pets
Very Pet Friendly
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HIGHWAY 21
You want a maintained seasonal base camp for hiking and fishing in Boise National Forest.
You need site privacy or want to avoid occasional highway noise from Highway 21.
Compare with similar sites, watch availability, and build a packing list — Camp Sage handles all of it.
Best season: summer. Summer offers the most comfortable and reliable conditions at Grayback — expect crisp mountain mornings in the 30s–40s °F and warm afternoons in the upper 60s (often 60–75 °F), ideal for long hikes, lake and stream fishing, mountain biking, and wildlife viewing. Wildflowers and active songbirds peak from late June through August, and trail access and campground services are fully available. Weekends can be busy, especially July–August, so reserve early; watch for summer fire restrictions on very Peak months: July, August, June, September Avoid: October, November, December, January
Peak season: late June–Aug brings wildflowers, full trail access and best conditions; busiest time.
Reservation tips, booking windows, and free cancellation alerts.
Grayback Campground offers a variety of amenities designed to accommodate both individual and group campers. The campground features 15 single-family sites and 3 double-family sites, all equipped with picnic tables, lantern hooks, and campfire rings with grills. Additionally, there are two group sites, Site A and Site B, with capacities of 150 people and 20 vehicles, and 100 people and 15 vehicles, respectively. Both group sites offer picnic and serving tables, grills, and campfire circles. Drinking water is available through hand pumps, while trash collection and vault toilets are conveniently located throughout the site. The campground has paved parking spots, providing easy accessibility.
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