Montana · Mountain biking · Clarence Creek Trailhead

Big Therriault Lake Loop

0.6 mi
distance
139 ft
climb

Is Big Therriault Lake Loop open right now?

Closure in the area

There's a closure order in Kootenai National Forest. It doesn't name Big Therriault Lake Loop, so check the source for the area it covers.

As of · Source: USFS · Kootenai National Forest. Agencies don't list every closure — check before you go.

Big Therriault Lake Loop is a short mountain biking route in the Fortine Ranger District of Montana's Kootenai National Forest, about 0.6 miles long. The Forest Service manages the land, and the loop sits at roughly 5,600 feet, with a high point of about 5,713 feet and a low of about 5,558 feet. The route is a compact ride, with a total climb of about 139 feet and a total descent of about 206 feet. The steepest stretch comes at about 0.21 miles in, with a grade of about 21 percent. The Big Therriault/highline hike starts just 0.1 mile away, and Big Therriault Lake Campground is about 0.6 miles off. The Grave Creek Snowmobile Big T mountain biking route and the Little Therriault hike are both about 0.9 miles away.

Map and trail data © OpenStreetMap contributors