0
Pull-thru
USACESam Rayburn Reservoir · Texas
San Augustine
Overview San Augustine Park is set along the Ayish Bayou tributary on the shores of Sam Rayburn Reservoir.
Sites10187 reservable
Elev.230ft
Comf.Jan-Dec9 months
Max rig104 ft
Electric101sites
From Houston3h20real 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 230 ft, San Augustine has a 9-month comfortable window (Jan-Dec). Winter nights average around 45°F, so the shoulder seasons turn cold fast. 101 sites total: 87 reservable and 14 first-come, first-served.
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 · Jul
Jan-Dec
Comfortable window: nights stay above 35°F, days below 90°F.
76%
Of summer weekend-days are dry.
Mar 3
Last spring frost; first fall frost Dec 3.
77°F
Average July low.
Getting there
03 · ACCESS
01
Houston
167 mi
3h20
02
Dallas
218 mi
4h29
03
Austin
273 mi
5h30
04
San Antonio
361 mi
6h39
By drive time
Routed road time (OSRM). Nearest major highway 5.5 mi away.
Picking your site
04 · 101 SITES
Color byShow only
101 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
0
Accessible
0
Prime
101
Sites
★ The standout
Site 87
LOOG · shaded.
To neighbor
154 ft
Max rig
50 ft
Type
Standard
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.