Openings · last 7 days
8
Booking reality
Campsite Sniper detected 8 site openings here in the last 7 days
01 · Detected Opening History · the openings record · file CS-233591
When Post Oak Park reopens
Post Oak Park's openings record: every site-date Campsite Sniper detected turning available, logged and time-stamped. Refreshed hourly.
Openings · last 30 days
26
Openings · last 90 days
28
Only 28 openings in the last 90 days: not enough recent activity for a reliable pattern. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
02 · Availability Outlook · Sep 18 – Oct 30, 2026 · of 20 monitored sites
Of the 817 tracked site-nights (Sep 18 – Oct 30, 2026): 440 open for online reservation · 334 reserved · 43 closed.
Where the open windows are
46.1% of tracked site-nights are not currently open for online reservation. 440 of 817 remain open; here is where they are.
Load status
Sep 18 – Oct 30, 2026Not open online46.1%
Open site-nights440 / 817
Reserved (of online inventory)334 / 774
Weekday openings274
Weekend openings166
Of the open site-nights on mapped sites, 274 fall on weekdays and 166 on weekends (Fri–Sun).
Open dates by month
Sep 2026 – Oct 2026October holds the most room. 284 of 570 site-nights are still open there.
Holiday windows
Sites open per night · of 19 sites| Window | Night | Sites open | Status |
|---|---|---|---|
| Labor Day | SAT Sep 5 | 0 | None open |
| SUN Sep 6 | 0 | None open | |
| MON Sep 7 | 0 | None open |
Labor Day: no online availability on any tracked night.
Best-availability sites
Most open site-nights · tracked window| Site | Open site-nights |
|---|---|
| 17 | 36 |
| 02 | 33 |
| 19 | 32 |
| 08 | 31 |
| 06 | 30 |
The 5 sites with the most open site-nights in the current snapshot. Pair a bookable date with a free alert to cover everything else.
Next windows
As of Sep 18, 2026 snapshotNext open dateFri · Sep 18
Next open weekendFri · Sep 18
The next bookable night is Sep 18; the first open weekend starts Sep 18. Campsite Sniper can watch later dates for you.
Stays and site detail
440 open site-nights across 18 sites at Post Oak Park, from the same hourly snapshot as everything above.
Multi-night stays. 52 2-night, 51 3-night, 19 7-night openings where a single site is free for every night, per Campsite Sniper's current snapshot — soonest Sep 18 at site 17.
RV length. Longest recorded site here is 83 ft. 19 sites take 25 ft, 19 sites take 35 ft, 19 sites take 40 ft.
All 18 sites with current availability
| Site | Max RV | Hookups | Open site-nights | Longest run | Dates |
|---|---|---|---|---|---|
| 17 | 57 ft | Yes | 36 | 36 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +24 more |
| 02 | 60 ft | Yes | 33 | 22 nights | Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5 +21 more |
| 19 | 50 ft | Yes | 32 | 15 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6 +20 more |
| 08 | 70 ft | Yes | 31 | 26 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +19 more |
| 06 | 66 ft | Yes | 30 | 16 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +18 more |
| 09 | 74 ft | Yes | 30 | 14 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +18 more |
| 15 | 60 ft | Yes | 30 | 18 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 +18 more |
| 04 | 83 ft | Yes | 28 | 18 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29, Sep 30, Oct 1 +16 more |
| 16 | 65 ft | Yes | 28 | 27 nights | Sep 27, Sep 28, Sep 29, Sep 30, Oct 1, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6, Oct 7, Oct 8 +16 more |
| 14 | 75 ft | Yes | 25 | 12 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Sep 28, Sep 29 +13 more |
| 13 | 60 ft | Yes | 24 | 6 nights | Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Oct 5, Oct 6, Oct 7, Oct 8, Oct 12, Oct 13 +12 more |
| 07 | 74 ft | Yes | 19 | 11 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 26, Sep 27, Sep 28, Sep 29, Oct 4, Oct 5, Oct 6, Oct 7 +7 more |
| 20 | 50 ft | Yes | 18 | 7 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Oct 2, Oct 3, Oct 4, Oct 5, Oct 6 +6 more |
| 01 | 78 ft | Yes | 17 | 5 nights | Sep 28, Sep 29, Sep 30, Oct 7, Oct 12, Oct 13, Oct 14, Oct 15, Oct 19, Oct 20, Oct 21, Oct 22 +5 more |
| 05 | 70 ft | Yes | 16 | 9 nights | Sep 21, Sep 22, Sep 23, Sep 24, Sep 27, Sep 28, Sep 29, Oct 9, Oct 10, Oct 11, Oct 12, Oct 13 +4 more |
| 11 | 73 ft | Yes | 16 | 10 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 24, Sep 25, Sep 26, Sep 27, Oct 5, Oct 6 +4 more |
| 18 | 77 ft | Yes | 15 | 6 nights | Sep 18, Sep 19, Sep 20, Sep 21, Sep 22, Sep 23, Sep 28, Sep 29, Oct 14, Oct 18, Oct 19, Oct 20 +3 more |
| 03 | 79 ft | Yes | 12 | 5 nights | Sep 28, Sep 29, Sep 30, Oct 7, Oct 18, Oct 19, Oct 20, Oct 21, Oct 22, Oct 28, Oct 29, Oct 30 |
About Post Oak Park
Overview
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. These lands are open for public hunting of deer, waterfowl, bobwhite quail, turkey, cottontail rabbit, and squirrel.
Facilities
This campground offers 19 sites with electric hookups. Amenities include flush and pit toilets, showers, drinking water, and a dump station.
20 monitored sitesRVs up to 83 ft19 with hookups18 shadedPets OKMax party 8
Getting there
From HWY 75, travel 3 miles west on HWY 10.
396120 State 10 Highway, Copan, OK 74022918-532-4334
CampingHiking
View on Recreation.gov ↗ Get directions ↗
03 · Field Photos · roll CS-233591 · facility + sites
Photo gallery
Roll CS-233591 · Post Oak Park · Copan OK12 frames · facility + sites
FAQ
How do I get a reservation at Post Oak Park?
Reservations for Post Oak Park are made through Recreation.gov. 440 of 817 tracked site-nights are currently open (53.9%). Campsite Sniper has also detected 28 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
Does Campsite Sniper book this campground for me?
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
How current is this availability data?
Campsite Sniper re-checks public Recreation.gov availability for this facility every hour and republishes whenever anything changes. This facility's data last changed at Sep 18, 2026 15:19 UTC; an older timestamp means nothing has changed since that time, not that checking stopped. Always confirm final availability on Recreation.gov when you book.
How often do new openings appear at Post Oak Park?
Campsite Sniper detected 8 site-date openings at Post Oak Park in the last 7 days, 26 over 30 days and 28 over the last 90.
Can I get a multi-night stay at Post Oak Park?
51 three-night openings are showing, counting only runs where the SAME site is free for all three nights. The soonest starts Sep 18 at site 17. Confirm and book on Recreation.gov.
Which sites at Post Oak Park fit a 35-foot RV?
19 of the 19 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 83 ft.
Which month has the most availability at Post Oak Park?
October 2026, with 284 open site-nights in the current snapshot of 570.
When is the next open date at Post Oak Park?
As of the Sep 18, 2026 snapshot: the next open date is Fri, Sep 18 and the next open weekend starts Fri, Sep 18. Detected openings can add earlier dates at any time; a free Campsite Sniper alert catches those the moment they appear.
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