Oklahoma has some SP's that are nice.
We just attened a FROG rally at Natural Falls SP. Located near West Siloam Springs, OK.
Very clean park. Friendly staff. Great payground and hiking trails. Meeting room with AC. No swimming area or pool. 27 tent sites and 44 RV sites which 9 are FHU and 10 are 50 amp W/E. The rest are 30 amp W/E. $20-$23
Another SP we camp at is Lake Eufaula SP. Located near Eufaula, OK.
Clean park. Large sites. Paved roads and pads are level. 2 areas both with playgrounds and pavilions. Located on Lake Eufaula so access to fishing, swimming and boating.
One area is W/E only with 30 and 50 amp. Nature Center and hiking trails. Boat ramp & boat docks. Marina with fishing dock and small cafe that serves breakfast and lunch.
The second area is FHU, 30 amp only, with some pull thru sites but is 3 or 4 miles from lake access. $21-$23
Primitive camping sites. $12