Grayback
Sold out? Sites at Grayback open up when campers cancel.
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About Grayback
Grayback is a national park campground at Boise National Forest in Boise County, Idaho. Reservations are managed through Recreation.gov. When a booked site here is cancelled it can vanish within minutes, so Campsite Tonight monitors it 24/7 and auto-adds the opening to your Recreation.gov cart before anyone else.
Grayback is in very high demand — sites here routinely sell out well in advance. Cancellations are often the best way in, which is exactly what Campsite Tonight watches for.
The campground accommodates RVs and trailers up to 62 ft. Campers rate it 4.6/5 across 27 reviews.
Other campgrounds at Boise National Forest include Ten Mile Campground, Hayfork Group Cg, Edna Creek Campground, Bad Bear Campground and Shafer Butte.
Total reservations in May — 2023: 31 · 2024: 81 · 2025: 67
Location
Address
Idaho City, Idaho
Coordinates
43.8072, -115.8647
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •June sees 174 reservations - book early or set cancellation alerts.
Nearby Campgrounds
Ten Mile Campground
Boise National Forest
Hayfork Group Cg
Boise National Forest
Edna Creek Campground
Boise National Forest
Bad Bear Campground
Boise National Forest
Shafer Butte
Boise National Forest
Black Rock
Boise National Forest
Photos
Grayback FAQ
How far in advance should I book Grayback?
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open. Mark your calendar for when the booking window opens (typically 5-6 months ahead). Also set alerts - cancellations do happen.
What is the busiest time at Grayback?
June typically sees the highest reservation activity at Grayback. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Grayback right now?
Grayback is currently fully booked for the next 14 days. However, cancellations happen frequently - download the Campsite Tonight app to get instant alerts when sites become available.
Where is Grayback located?
Grayback is located in Boise National Forest, near Idaho City, Idaho.
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