Right on Lake Texoma off of Hwy 75 just before Oklahoma. It's a crazy mix of Limestone and Sandstone. It's a tricky place because the rock breaks really easy so you really have to check your routes to be safe. Mostly a Bouldering area. They are developing and making a guide at the moment with 180 plus problems. The landings are very rocky and uneven suggest a large pad.
Hwy 75 north to Denison TX, Exit for Lake Texoma Dam at exit 71. Go left, When you get to the dam turn right across the spillway and stay straight till you reach Esinhower State Park. 5 dollar entry and the rangers are cool with climbing as long as you have a crash pad!