Big Therriault Lake Campground

Montana

Blocked todayMontana

Blocked today

Free — you'll pick up right here.

Watch this campground

Conditions: Blocked

for campground, today

An agency closure order is in effect for this area; weather is good

2 factors · 2 sources

Newest 6 h ago · oldest 6 h

problem: Agency alerts
3 active alerts in Kootenai National Forest; most severe: Kootenai Flood Event & Inaccessible Areas
USFSPosted Dec 16, 2025 · checked 6 h ago
clear: Weather
Rain, high 51°F / low 35°F, 83% precip — 70/100 for campground
OpenWeather6 h ago

Been out here in the last few days? One report keeps this current for everyone.

Here's your stay, mapped

Big Therriault Lake Campground

Suggested plan · check conditions before you go

Building your full AI plan…

Gear for the day

Building your gear list…

Meals

Building your meal plan…

More about this campground ↓

Photos

About this campground

The Big Therriault Lake campground is located 12.5 air miles from Fortine. The campground has 10 campsite, including one host site, with tables, fire rings and able to accomodate up to a 32' rv. Amenities include potable water, vault toilets, food storage boxes and boat ramp developed for small boats.

Campsite info

Reservable: No

Vault toilets

Reserve a site

Directions & GPX

Get Directions

Where it is

Fortine Ranger District · Ranger district
Kootenai National Forest · National forest

Managed by: Forest Service

Source: USFS EDW boundaries; USGS PAD-US 4.1

Conditions

Active alerts for Fortine Ranger District as of Oct 9, 2026:

Deep Creek Road #368 Closure due to Culvert Replacement
caution · posted Sep 24, 2026
Updated Skillet Fire Area, Road, Trail Closure
fire-restriction · posted Sep 11, 2026

Source: USFS forest alerts

Nearby

Grave Creek Snowmobile Big TMountain biking0.1 mi
GRAVE CREEK SNOWMOBL LITTLE THiking0.3 mi
Little Therriault/highlineMountain biking0.5 mi
Big Therriault Lake LoopHiking0.6 mi
Little Therriault LakeCamping0.7 mi
Grave Creek CampgroundCamping8.1 mi
Tobacco RiverCanoeing8.8 mi
Phillips CreekCanoeing9.7 mi

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)