Big Flat
Sold out? Sites at Big Flat open up when campers cancel.
Campsite Tonight watches Recreation.gov 24/7 and adds an open site to your cart automatically — you just check out.
About Big Flat
Big Flat is a national park campground at Payette National Forest in Adams County, Idaho. Reservations are managed through Recreation.gov. Campsite Tonight watches Payette National Forest around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.
Big Flat 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.
Sites here are tent or walk-in (no RV access). Campers rate it 4.5/5 across 996 reviews.
Other campgrounds at Payette National Forest include Cabin Creek.
Total reservations in June — 2023: 2
Location
Address
Adams County, Idaho
Coordinates
44.5012, -116.2596
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
- •June sees 2 reservations - book early or set cancellation alerts.
Nearby Campgrounds
French Creek
Boise National Forest
Third Fork Cabin
Boise National Forest
Cabin Creek
Payette National Forest
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Antelope (Boise National Forest, ID)
Boise National Forest
Sagehen Creek
Boise National Forest
Eastside
Boise National Forest
Photos
Big Flat FAQ
How far in advance should I book Big Flat?
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 Big Flat?
June typically sees the highest reservation activity at Big Flat. During peak times, 100% of reservations are made 2+ weeks in advance.
Are there campsites available at Big Flat right now?
Big Flat 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 Big Flat located?
Big Flat is located in Payette National Forest, Idaho.
Track Availability at Big Flat
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