4
Pull-thru
USACEProctor Lake · Texas
Promontory
Overview Promontory Campground sits along Proctor Lake in the Cross Timbers Region of Texas.
Sites77all reservable
Elev.1,201ft
Comf.Jan-Dec9 months
Max rig140 ft4 pull-thru
Electric615×50-amp
From Dallas2h58real 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 1,201 ft, Promontory has a 9-month comfortable window (Jan-Dec). Winter nights average around 39°F, so the shoulder seasons turn cold fast. All 77 sites are reservable in advance, so plan ahead. Popular weekends book out. Of the sites, 4 pull-through, 5 with 50-amp, and the longest takes a 140-ft rig. Within about 4 miles: lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on reservability and shade. 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 · Aug
Jan-Dec
Comfortable window: nights stay above 35°F, days below 90°F.
85%
Of summer weekend-days are dry.
Feb 28
Last spring frost; first fall frost Nov 29.
77°F
Average July low.
Getting there
03 · ACCESS
01
Dallas
141 mi
2h58
02
Austin
154 mi
3h13
03
San Antonio
207 mi
4h19
04
Houston
294 mi
5h54
By drive time
Routed road time (OSRM). Nearest major highway 2.3 mi away.
Picking your site
04 · 77 SITES
Color byShow only
77 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
5
50-amp
0
Accessible
0
Prime
77
Sites
★ The standout
Site 46
L#3.
To neighbor
173 ft
Max rig
50 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Water & Access
Lake / river access
yes
To nearest major road
2.3 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.