Little Therriault Lake Loop
Little Therriault Lake Loop is a 1 mile trail in Kootenai National Forest, Montana. The Forest Service rates it trail class 4, highly developed. It is open to hiking, horse and pack stock, mountain biking and snowmobile.
Trail conditions, closures and hazards are not tracked here. The Kootenai National Forest official page carries current alerts and closure orders.
Map
One end Other endLine simplified to about 100 metres. Basemap from the USGS National Map.
| One end | 48.9430, -114.8896 · Directions ↗ |
| Other end | 48.9430, -114.8895 · Directions ↗ |
The ends are the two ends of the longest connected chain of segments. The record does not say which is the usual start. The trail is recorded as 2 segments.
The trail
| Length | 1 mile, of which 1 mile evaluated accessible |
| Trail class | 4, highly developed |
| Type | land trail |
| Surface | imported compacted material |
| Typical grade | 5-8 percent, 0-5 percent |
| Typical tread width | 60-96 inches |
| Minimum width | over 42 inches |
| Motor vehicles | Closed to all motorized use year-round |
| Accessibility | At least one segment meets Forest Service accessibility guidelines |
| Trail numbers | 85 |
| Forest | Kootenai National Forest (unit 0114) |
| States | Montana |
| Detail published | management level, with uses |
Values are the set across all segments. Class 1 is minimally developed and class 5 is fully developed. Grade and width are the forest's typical values, not measured extremes.
Allowed uses
| Hiking | Allowed 07/01 to 10/31 (month/day) |
| Horse and pack stock | Allowed |
| Mountain biking | Allowed 07/01 to 10/31 (month/day) |
| Snowmobile | Allowed 01/01 to 12/31 (month/day) |
A use is listed when the Forest Service records it as managed, accepted or discouraged on any segment. Discouraged still means legal. Uses marked restricted are left out. Where the forest publishes a Motor Vehicle Use Map, that map governs motorized use.
Trailheads
The Forest Service recreation layer records no trailhead within a third of a mile of this trail's line. Many trails start from a road pullout or another trail with no trailhead record. The forest's recreation pages list the trailheads it does publish.
Distance is from the point to the nearest part of the trail line. Season text is what the forest wrote and is often a season name rather than a date. The recreation page link goes to the Forest Service site, which may redirect to the forest's recreation index.
Camping nearby
Campsite Atlas cards carry site counts and booking links from Recreation.gov. Forest Service cards come from the recreation layer and link the agency page.
Explore
Reference
Questions people ask
How long is the Little Therriault Lake Loop?
1 mile, the sum of the 2 segments the Forest Service records under this name in Kootenai National Forest. 1 mile of that are evaluated as accessible.
Source: Forest Service trail layer
What is allowed on the Little Therriault Lake Loop?
hiking, horse and pack stock, mountain biking and snowmobile. The trail is closed to motor vehicles year-round. Some uses are seasonal. The allowed uses section lists the dates.
Source: Forest Service trail layer
Where does the Little Therriault Lake Loop start?
The line begins at 48.9430, -114.8896 and ends at 48.9430, -114.8895. No Forest Service trailhead is recorded within a third of a mile of it. The record does not say which end is the usual start.
Source: Forest Service trail layer
Is the Little Therriault Lake Loop in a wilderness area?
No. The trail line does not cross any polygon in the National Wilderness Preservation System layer.
Source: Wilderness Connect
Where can I camp near the Little Therriault Lake Loop?
Horse Camp (0.1 mi), Big Therriault Lake Campground (0.5 mi) and Mt. Wam Lookout Cabin Rental (3.6 mi) are within five miles of the trail. Site counts and booking links are on Campsite Atlas.
Source: Campsite Atlas
How developed is the Little Therriault Lake Loop?
Trail class 4, which the Forest Service describes as highly developed. Class 1 is a minimal, unimproved route and class 5 is fully developed, often paved.
Source: Forest Service trail layer
How steep and how wide is the Little Therriault Lake Loop?
The typical grade is 5-8 percent on most segments and 0-5 percent on others. The typical tread is 60-96 inches wide.
Source: Forest Service trail layer
Is the Little Therriault Lake Loop accessible?
The Forest Service has evaluated 1 mile of this trail as meeting its accessibility guidelines. The surface is imported compacted material.
Source: Forest Service trail layer
Who manages the Little Therriault Lake Loop?
Kootenai National Forest, Forest Service unit 0114. The trail is in Montana.
Source
This page is built from 2 segments named LITTLE THERRIAULT LAKE LOOP in the Forest Service TrailNFS_Publish layer, administrative unit 0114. Wilderness overlap is tested against the National Wilderness Preservation System layer from Wilderness Connect. Trailheads and Forest Service campgrounds come from the Forest Service Recreation Opportunities layer. Data refreshed September 17, 2026. The methodology page explains how segments become trails.