Post Oak Park
Post Oak is located on the banks of Copan Lake in Oklahoma's Green Country. Camping, boating, picnicking, hunting and fishing are popular activities here. Copan Lake offers its visitors extensive opportunities for a memorable outdoor recreation experience. The lake is home to many species of game fish, including largemouth bass, white crappie, channel and flathead catfish, and various species of sunfish. Hikers and horseback riders enjoy exploring the area on 3 miles of trails that wind through the wooded and open meadows of the lake shore. 11,000 acres of land around the lake have been set aside for wildlife management.

Campsites
| Standard with electric | 20 |
| Total | 20 |
Amenities & rules
Compiled from site-level records; individual sites vary. Confirm on Recreation.gov or with the managing office.
Getting there
From HWY 75, travel 3 miles west on HWY 10.
Campgrounds nearby
0.9 miles away
Reservable1.9 miles away
26.9 miles away
Reservable27.3 miles away
Reservable35 miles away
Reservable35.9 miles away
Data source: Recreation.gov RIDB, retrieved August 30, 2026. The Campsite Atlas is an independent publication and is not affiliated with or endorsed by the Recreation.gov or any federal agency. Always confirm critical details on the official Recreation.gov page before you travel.