41
Pull-thru
USACEJ. Strom Thurmond Lake · South Carolina
Modoc
Overview Modoc Campground is located on J.
Sites7067 reservable
Elev.338ft
Comf.Jan-Dec11 months
Max rig48 ft41 pull-thru
Electric6955×50-amp
From Columbia1h54real 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 338 ft, Modoc has a 11-month comfortable window (Jan-Dec). Winter nights average around 42°F, so the shoulder seasons turn cold fast. 70 sites total: 67 reservable and 3 first-come, first-served. Of the sites, 41 pull-through, 55 with 50-amp, and the longest takes a 48-ft rig. Within about 4 miles: 1 named hiking route, 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 · Sep
Jan-Dec
Comfortable window: nights stay above 35°F, days below 90°F.
76%
Of summer weekend-days are dry.
Feb 23
Last spring frost; first fall frost Dec 13.
75°F
Average July low.
Getting there
03 · ACCESS
01
Columbia
85 mi
1h54
02
Greenville
94 mi
2h24
03
Charleston
174 mi
3h50
By drive time
Routed road time (OSRM). Nearest major highway 1 mi away.
Picking your site
04 · 70 SITES
Color byShow only
70 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
55
50-amp
2
Accessible
0
Prime
70
Sites
★ The standout
Site 011
MOD1 · pull-through · shaded.
To neighbor
357 ft
Max rig
32 ft
Type
Pull-thru
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
1
Trail segments
11
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.