Cossatot Reefs
Gillham Lake
Cossatot Reefs in Oklahoma has 26 open booking windows on Recreation.gov right now, the soonest Tue Oct 6–Fri Oct 9. Reserve directly through the booking link above — cancellations go fast. To catch future openings the instant they appear, set a free CampSage cancellation alert.
📷 What these sites look like
Photos of sites that are open right now, from recreation.gov. Angles vary by park — usually the site and its parking pad.
🔭 Planning further ahead?
We watch the next 60 days closely — that's where cancellations show up. recreation.gov takes bookings out to about April 2027, so there may be 2+ night stays past our window.
📊 How often sites open up here
CampSage's scans caught 18 openings at Cossatot Reefs over the last 30 days, on 16 separate days, most of them for stays anywhere from same-day to about 58 days out and the openings typically covered 2–3 nights.
These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
🏕️ About this campground
Ratings
📶 Cell coverage camper-reported
💡 Insider tips from campers
❓ Cossatot Reefs FAQ
How do I reserve a campsite at Cossatot Reefs?
Cossatot Reefs in Oklahoma takes campsite reservations through Recreation.gov. On this page, use the “Book / check availability” button to open the live booking page, see which dates are free, and reserve your site.
How much does it cost to camp at Cossatot Reefs?
Campsite fees at Cossatot Reefs run about $23–$40/night, as listed by Recreation.gov. Exact rates vary by site type, number of campers, and season.
How can I get a spot at Cossatot Reefs when it's fully booked?
Popular campgrounds like Cossatot Reefs often fill months ahead, but campers cancel every day and those sites reopen for booking. CampSage checks availability for you and sends a free email the instant a cancellation opens — set an alert on this page and you can grab the spot before anyone else.
How often do campsites open up at Cossatot Reefs?
CampSage's scans caught 18 openings at Cossatot Reefs over the last 30 days, on 16 separate days, most of them for stays anywhere from same-day to about 58 days out and the openings typically covered 2–3 nights. These are the openings our own scans saw — not a figure the booking system publishes. We re-check availability several times a day, so the real number can be higher.
Is Cossatot Reefs a good campground?
Cossatot Reefs holds an average rating of 4.4/5 from 198 camper ratings on Recreation.gov. The full star breakdown is shown above.
Is there cell service at Cossatot Reefs?
Of the carriers campers have reported on at Cossatot Reefs, Verizon rates highest at 1.6 out of 5 from 91 reports. See the carrier-by-carrier breakdown above — service can still vary by campsite, terrain, and weather.
Where is Cossatot Reefs located?
Cossatot Reefs is located in Ouachita NF / Talimena, Oklahoma. Tap “Directions” above for driving directions, or see nearby campgrounds lower on this page.
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