0
Pull-thru
USACECopan Lake · Oklahoma
Post Oak Park
Overview Post Oak is located on the banks of Copan Lake in Oklahoma's Green Country.
Sites2019 reservable
Elev.751ft
Comf.Mar-Dec8 months
Max rig83 ft
Electric20sites
From Tulsa1h13real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27
At 751 ft, Post Oak Park has a 8-month comfortable window (Mar-Dec). Winter nights average around 30°F, so the shoulder seasons turn cold fast. 20 sites total: 19 reservable and 1 first-come, first-served. Within about 4 miles: lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on shade and reservability. Softest on roomy sites.
Six axes, each scored relative to every other federal campground in the region: quiet (miles to a major road), cool (elevation), roomy (average site spacing), shade, RV-fit (longest rig), and how reservable it is. All six come from data, nothing hand-tuned.
When to go
02 · CLIMATE
avg highavg lowfrost-freedriest · Dec
Mar-Dec
Comfortable window: nights stay above 35°F, days below 90°F.
73%
Of summer weekend-days are dry.
Mar 22
Last spring frost; first fall frost Oct 30.
73°F
Average July low.
Getting there
03 · ACCESS
01
Tulsa
56 mi
1h13
02
Oklahoma City
163 mi
3h05
By drive time
Routed road time (OSRM). Nearest major highway 2.5 mi away.
Picking your site
04 · 20 SITES
Color byShow only
19 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
2
Accessible
0
Prime
20
Sites
★ The standout
Site 16
POAP.
To neighbor
166 ft
Max rig
65 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Water & Access
Lake / river access
yes
To nearest major road
2.5 mi
Method
We synthesize public data layers: RIDB and Recreation.gov facility and site records, Open-Meteo climate normals, OpenStreetMap roads, trails, and water, OSRM drive times, and USGS elevation. We take no bookings, no ads, and no paid placements. Independence is the entire point.