Post Oak Park
Copan Lake — lakeside, hiking
Location: COPAN, OK, OK
Price: From $24 per night
Price range: $24–$26 per night
Rating: 4.6 out of 5 (116 reviews)
Season: May through October
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.The 4,850-acre lake sits on the Little Caney River among a prairie landscape of grasslands and croplands.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
Cell coverage (FCC estimate): strong signal. Actual signal may vary in remote areas. Best carrier: T-Mobile. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 100%.
Amenities: Fire Rings, Picnic Tables, Drinking Water, Showers, Dump Station, Electric Hookups
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/post-oak-park to be notified when sites open up.
Post Oak Park is a well-maintained Corps of Engineers campground on Copan Lake's banks with large sites, excellent amenities including showers and electric hookups on select sites, and 3 miles of trails for hiking. Google reviews consistently praise its quiet atmosphere, spacious grounds, and attentive camp hosts.
Wildlife alert: American Badger, Coyote, Blue-winged Teal, Western Grebe, American Coot, Prairie Racerunner, Three-toed Box Turtle documented in area
Insider tips for Post Oak Park: Book early — federal campground fills quickly Request a site with shade and grass like site #4 for tent camping comfort Electric hookups available on select sites only; confirm when booking if you need power
Skip Post Oak Park if: You need full hookups (water/sewer not available). You require camping outside May-October season. You prefer campgrounds with year-round availability.
Best time to visit Post Oak Park: May-October — Campground operates seasonally May through October only.
Nearby campgrounds: Copan Point (COPAN, OK), Washington Cove (COPAN, OK), Twin Cove Point (Skiatook, OK), Birch Cove (SKIATOOK, OK).
Cell Phone Coverage at Post Oak Park
Cell signal at Post Oak Park (COPAN, OK): strong overall signal based on FCC broadband data. Best carrier: T-Mobile.
- Verizon 4G LTE: 100% coverage
- AT&T 4G LTE: 100% coverage · AT&T 5G: 100%
- T-Mobile 4G LTE: 100% coverage · T-Mobile 5G: 100%
Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.
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.The 4,850-acre lake sits on the Little Caney River among a prairie landscape of grasslands and croplands.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.
Verified facts
RIDB / Recreation.gov official databaseAmenities
RIDB /facilities /campsites · owner-verifiedStraight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early
federal campground fills quickly
Request a site with shade and grass like site #4 for tent camping comfort
Electric hookups available on select sites only; confirm when booking if you need power
Campground operates seasonally May through October only
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal. Best carrier: T-Mobile.
Wildlife nearby
iNaturalist · research-grade · 8 kmLocation
Leaflet · OpenStreetMap tiles
Getting there →
From HWY 75, travel 3 miles west on HWY 10.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Copan Lake fills fast in peak season.
- Check current road conditions at Copan Lake before arrival — seasonal closures common.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Post Oak Park cost per night?+
What season is Post Oak Park open?+
Does Post Oak Park have hookups?+
What is the maximum RV length at Post Oak Park?+
How do I make reservations at Post Oak Park?+
What is the cell service like at Post Oak Park?+
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Official resources
●Data sources on this page
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
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