Private track/area there, too
When I was doing a project for Weyerhaueser over back in the spring, I found a motocross track on the NW side of Idabel. They have a lot of acres and trails but much of the area was damaged due to ice storms last winter. Check out local shops to find a name. The trails were supposed to be more for ATV's- many created with a bulldozer. I didn't hear of any tight-twisties.
Otherwise, the Weyco land is open to the public. I understand they have some sort of registration necessary, though. Kind of like the California Green Stickie. Again, I was only working in the area and wishing I had a bike with me. Sorry I can't be more help.
Todd