Managed by the Army Corps of Engineers within the Fort Peck Recreation Area, Flat Lake Recreation Area sits directly on the lake and operates as a free 14-day dispersed camping area. Spots are not assigned; campers claim their own area. Amenities are minimal but functional: concrete picnic tables, fire rings, vault toilets, and garbage cans. Verizon cell service is available on site. Weekends draw crowds, with muddy tracks left behind as evidence. Campers who prefer fewer neighbors do better on Sunday nights or weekdays. The area works well for self-sufficient campers comfortable with a no-frills setup, and those exploring camping near Fort Peck Recreation Area will find several other options close by, including Fort Peck Recreation Area Dispersed near Flat Lake Road roughly half a mile southeast.
RV Road Trip Guides
Map & DirectionsFlat Lake Recreation Area is located in Montana near Nashua
Coordinates
48.01740267 N
106.3720867 W
Connectivity
- T-Mobile5GExcellent Coverage
- VerizonLTESome CoverageVerified by 1 userLast on 6/9/26
- AT&TLTESome Coverage
Connectivity
- T-Mobile5GExcellent Coverage
- VerizonLTESome CoverageVerified by 1 userLast on 6/9/26
- AT&TLTESome Coverage
Access
- Drive-InPark next to your site
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Dispersed
- Group
Features
For Campers
- ADA Access
- Trash
- Phone Service
- Toilets
- Alcohol
- Pets
- Fires
For Vehicles
- Pull-Through Sites
- Big Rig Friendly
DISPERSED CAMPING
Enjoy dispersed camping on government land and leave no trace. Pack in and pack out. No (or limited) services at this camping area. Permit may be required.
PERMIT might be REQUIRED
We curate permit requirements across the US for our PRO members. Try PRO to see if Flat Lake Recreation Area needs a permit.
Drive Time
- 3 hrs 53 min from Billings, MT
- 4 hrs 11 min from Minot, ND
- 4 hrs 29 min from Great Falls, MT
- 5 hrs 35 min from Bozeman, MT










