campgrounds.fyiIndependent · federal campgrounds · no paid placements
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USFSFlathead National Forest · Montana

Ashley Lake South Campground

This is a very small campground with 2 sites, a vault toilet, picnic tables and fire rings.
Sites0all reservable
Elev.3,947ft
Comf.May-Sep5 months
Max rigtents
Electricnonesites
From Missoula3h03real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27

At 3,947 ft, Ashley Lake South Campground has a 5-month comfortable window (May-Sep). Winter nights average around 20°F, so the shoulder seasons turn cold fast. Within about 4 miles: 1 peak, lake or river access.

The campground at a glance

01 · CHARACTER
QuietCoolRoomyShadeRV-fitReserv.

Reads strongest on quiet and cool nights. Softest on cool nights.

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
JFMAMJJASOND
avg highavg lowfrost-freedriest · Jul
May-Sep
Comfortable window: nights stay above 35°F, days below 90°F.
82%
Of summer weekend-days are dry.
May 8
Last spring frost; first fall frost Oct 13.
55°F
Average July low. Bring a fleece.

Getting there

03 · ACCESS
01
Missoula
135 mi
3h03
02
Helena
208 mi
4h13
03
Bozeman
323 mi
6h04
04
Billings
464 mi
8h25
By drive time
Missoula · 3h03Helena · 4h13Bozeman · 6h04Billings · 8h25Camp

Routed road time (OSRM). Nearest major highway 6.9 mi away.

What's within four miles

05 · TRAILS · PEAKS · WATER

Trails & Peaks

Peaks
1

Water & Access

Lake / river access
yes
To nearest major road
6.9 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.

Check availability on Recreation.gov →