Campground · Army Corps lake in Washington County, Oklahoma.
| Managed by | US Army Corps of Engineers (Copan Lake) |
|---|---|
| Campsites | 20 |
| Site types | 20 standard, electric |
| RV hookups | Full hookups at 3 sites |
| Longest RV/trailer site | 83 ft |
| RVs welcome | Yes |
| Dogs allowed | Yes |
| Phone | (918) 532-4334 |
| Reservations | Recreation.gov |
We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Post Oak Park before you go.
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. Recreation 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.
Description: Recreation.gov (U.S. federal government, public domain), shortened.
Lakes and ponds on LakeRipple within 10 miles, closest first (straight-line distance to the shoreline). Each page has boat launches, beaches, fishing and today's weather.
Post Oak Park is in Washington County.
Sources: Recreation.gov (RIDB). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.