1
Pull-thru
USACEKeystone Lake · Oklahoma
Washington Irving South
Overview Washington Irving South is located on the Arkansas arm of Keystone Lake, just 30 minutes from Tulsa.
Sites21all reservable
Elev.791ft
Comf.Mar-Dec9 months
Max rig62 ft1 pull-thru
Electric203×50-amp
From Tulsa0h25real 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 791 ft, Washington Irving South has a 9-month comfortable window (Mar-Dec). Winter nights average around 31°F, so the shoulder seasons turn cold fast. All 21 sites are reservable in advance, so plan ahead. Popular weekends book out. Of the sites, 1 pull-through, 3 with 50-amp, and the longest takes a 62-ft rig. 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.
74%
Of summer weekend-days are dry.
Mar 10
Last spring frost; first fall frost Nov 16.
74°F
Average July low.
Getting there
03 · ACCESS
01
Tulsa
20 mi
0h25
02
Oklahoma City
114 mi
2h07
By drive time
Routed road time (OSRM). Nearest major highway 1 mi away.
Picking your site
04 · 21 SITES
Color byShow only
21 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
3
50-amp
0
Accessible
0
Prime
21
Sites
★ The standout
Site 06
WIRS · shaded.
To neighbor
119 ft
Max rig
45 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Trail segments
5
Water & Access
Lake / river access
yes
To nearest major road
1 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.