1
Pull-thru
USFSManti-La Sal National Forest · Utah
Miller Flat Reservoir Campground
Overview Miller Flat Reservoir Campground is located in a high mountain valley near Miller Flat Reservoir, at an elevation of 8,500 feet.
Sites61 reservable
Elev.8,780ft
Comf.Jun-Sep4 months
Max rig40 ft1 pull-thru
Electricnonesites
From Salt Lake City2h47real 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 8,780 ft, Miller Flat Reservoir Campground has a 4-month comfortable window (Jun-Sep). Winter nights average around 11°F, so the shoulder seasons turn cold fast. 6 sites total: 1 reservable and 5 first-come, first-served. Of the sites, 1 pull-through, and the longest takes a 40-ft rig. Within about 4 miles: 1 named hiking route, 4 peaks, lake or river access.
The campground at a glance
01 · CHARACTER
Reads strongest on cool nights and quiet. 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
Jun-Sep
Comfortable window: nights stay above 35°F, days below 90°F.
89%
Of summer weekend-days are dry.
Jun 20
Last spring frost; first fall frost Sep 26.
52°F
Average July low. Bring a fleece.
Getting there
03 · ACCESS
01
Salt Lake City
118 mi
2h47
02
Moab
165 mi
3h54
03
St. George
265 mi
5h11
By drive time
Routed road time (OSRM). Nearest major highway 10.9 mi away.
Picking your site
04 · 6 SITES
Color byShow only
3 mapped sites · dot color = seclusion · click a dot for details. Basemap © OpenStreetMap.
0
Walk-in
0
50-amp
0
Accessible
0
Prime
6
Sites
★ The standout
Site Site 1
MILLER FLAT RESERVOIR CAMPGROUND · shaded.
To neighbor
330 ft
Max rig
40 ft
Type
Standard
What's within four miles
05 · TRAILS · PEAKS · WATER
Trails & Peaks
Named hiking routes
1
Trail segments
19
Peaks
4
Water & Access
Lake / river access
yes
To nearest major road
10.9 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.