Cossatot Reefs is a national park campground at Gillham Lake in Howard County, Arkansas. Reservations are managed through Recreation.gov. Campsite Tonight watches Gillham Lake around the clock and automatically adds an open site to your Recreation.gov cart the moment a cancellation appears — so you just check out.
Cossatot Reefs 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 4.6/5 across 53 reviews.
Other campgrounds at Gillham Lake include Big Coon Creek and Little Coon Creek Park.
Total reservations in January — 2023: 18 · 2024: 11 · 2025: 3
Address
Gillham, Arkansas
Coordinates
34.2067, -94.2313
Very high demand - sites typically fill up immediately when the booking window opens. Plan to book the moment reservations open.
Gillham Lake
Gillham Lake
Dierks Lake
Dierks Lake
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Dierks Lake
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Dierks Lake
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