Big Therriault Lake Loop
Montana
Free — you'll pick up right here.
0.6 mi
Distance
139 ft
Gain
No verdict for this trail
We won't guess. Here is exactly what we do and don't know.
What we do know
Inside Kootenai National Forest
2 managing-area boundaries mapped — agency alerts for them feed this page automatically.
Boundary data
What's missing
No access route mapped
We don't yet know which road reaches this trailhead, so we can't tell you if it's gated.
Nobody's filed a report here yet — be the first.
Why you'll love it
Here's your ride, mapped
Big Therriault Lake Loop
Suggested plan · check conditions before you go
Elevation & route
- Distance
- 0.6 mi
- Elevation gain
- 139 ft
- Elevation loss
- 206 ft
- Highest point
- 5,713 ft
- Lowest point
- 5,558 ft
Gear for the day
Photos
Directions & GPX
About this trail
Big Therriault Lake Loop is a 0.60-mile trail at Clarence Creek Trailhead in Montana with 210 feet of elevation gain. The trail forms a loop within the Clarence Creek Trailhead system.
Permits & access
- Managing agency
- Forest Service
Facts about this trail
The climb
- Starts at
- 5,586 ft
- High point
- 5,713 ft
- Total climbing
- 139 ft
- Total descent
- 206 ft
- Steepest stretch
- 21% grade around mile 0.2 from the start
- Length
- 0.6 mi
Source: Roamze elevation profile and trail geometry (DEM samples along the mapped route)
Where it is
- Fortine Ranger District · Ranger district
- Kootenai National Forest · National forest
- Managed by
- Forest Service
Conditions
Active alerts for Fortine Ranger District as of Oct 10, 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
- Big Therriault/highlineHiking0.1 mi
- Big Therriault Lake CampgroundCamping0.6 mi
- Grave Creek Snowmobile Big TMountain biking0.6 mi
- GRAVE CREEK SNOWMOBL LITTLE THiking0.9 mi
- Little TherriaultHiking0.9 mi
- Little Therriault LakeCamping1.2 mi
- Grave Creek CampgroundCamping7.6 mi
- Tobacco RiverCanoeing8.6 mi
Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)
Add to a trip & share
Keep exploring — more rides worth the drive
Big Therriault/highline
~1 min drive
0.39-mile trail in Montana with 711 ft elevation gain
Stahl Creek
~2 min drive
0.47-mile trail at Clarence Creek Trailhead with 218 ft elevation gain
Little Therriault/highline
~2 min drive
0.09-mile trail in Montana's Clarence Creek Trailhead system with 194 ft elevation gain.
Grave Creek Snowmobl Little T
~2 min drive
0.79-mile trail at Clarence Creek Trailhead with 282 ft gain
Stahl Peak
~2 min drive
Stahl Peak is a 1.40-mile trail in Montana's Clarence Creek Trailhead system.
Horse Camp/highline
~2 min drive
0.62-mile trail with 461 ft elevation gain at Clarence Creek Trailhead
Therriault Pass
~2 min drive
0.98-mile trail at Clarence Creek Trailhead with 1,187 ft of elevation gain
Little Therriault Lake Loop
~2 min drive
0.07-mile loop at Clarence Creek Trailhead with 11 ft of elevation gain.
Stahl Peak Spur
~2 min drive
0.10-mile trail at Clarence Creek Trailhead, Montana
Horse Camp
~2 min drive
0.22-mile trail in Montana's Clarence Creek Trailhead system
Map and trail data © OpenStreetMap contributors