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USFSFlathead National Forest · Montana

Devil'S Corkscrew Campground

Located on the east side of the Hungry Horse Reservoir, 37 miles from Martin City, Mt.
Sites0all reservable
Elev.3,615ft
Comf.May-Sep5 months
Max rigtents
Electricnonesites
From Missoula4h22real road time
The honest read
Synthesized from
RIDB · Open-Meteo
OSM · OSRM
Updated 2026-05-27

At 3,615 ft, Devil'S Corkscrew Campground has a 5-month comfortable window (May-Sep). Winter nights average around 21°F, so the shoulder seasons turn cold fast. Within about 4 miles: 2 peaks, 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.
77%
Of summer weekend-days are dry.
May 16
Last spring frost; first fall frost Oct 15.
52°F
Average July low. Bring a fleece.

Getting there

03 · ACCESS
01
Missoula
165 mi
4h22
02
Helena
242 mi
5h26
03
Bozeman
358 mi
7h17
04
Billings
457 mi
9h28
By drive time
Missoula · 4h22Helena · 5h26Bozeman · 7h17Billings · 9h28Camp

Routed road time (OSRM). Nearest major highway 10.4 mi away.

What's within four miles

05 · TRAILS · PEAKS · WATER

Trails & Peaks

Trail segments
1
Peaks
2

Water & Access

Lake / river access
yes
To nearest major road
10.4 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 →