State park
Foss State Park
The park entrance is 3.9 miles from Butler. Day use costs $8 (Wikipedia; confirm season). Foss State Park is a state park in Custer County, Oklahoma.
Foss State Park map
Foss State Park boundary from USGS PAD-US or the managing agency, simplified for display. Not for navigation or legal boundaries.
Fire restrictions
Fire restriction orders for this unit are not tracked here yet. Restrictions change with the season, so check the current orders before any campfire, stove or target shooting.
Common questions
- Entry to Foss State Park costs $8 (Wikipedia; confirm season).
- Foss State Park is 3.9 miles from Butler.
- RV dump station on site. Showers available. Flush restrooms.
- Yes, Foss Lake is open to swimming at Foss State Park.
- Yes, Foss State Park has cabins available.
Before you go
Foss State Park is 3.9 miles from Butler.
- RV dump station on site
- Showers available
- Flush restrooms
Trails
- Areas Chickasaw Winding Stair Mountain National Trail Named on agency or Wikipedia page
- Buttefield Overland Santa Fe Trail Named on agency or Wikipedia page
What to see
- Cave Cave Mentioned in Wikipedia park article
Swimming
- Foss Lake
Fishing and water
Foss Reservoir water level (right at the boundary): its dam and reservoir record on reservoirfinder.com.
- travelok.com (accessed 2026-09-30)
- en.wikipedia.org (accessed 2026-09-30)
- en.wikipedia.org (accessed 2026-09-30)
- www2.census.gov (accessed 2026-09-30)
- travelok.com (accessed 2026-09-30)