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Big Therriault Lake to Therriault Pass Loop route map
Difficulty: DifficultLoop

Big Therriault Lake to Therriault Pass Loop

Eureka, Montana

5.4 mi

Distance

1,965 ft

Elev. Gain

2h 40m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

Big Therriault Lake to Therriault Pass Loop is a loop trail in Lincoln County, Montana. It is 5.4 miles long and gains 1,965 feet. The nearest town is Indian Springs, Montana, about 6 miles away in a straight line.

From the trail data on this page.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:1,695 ft
Max:2,067 ft
Gain:599 ft
Loss:599 ft
Elevation profileA line rising and falling between 1,695 ft and 2,067 ft across 5.4 mi along the route, drawn from start to end.1,695 ft1,819 ft1,943 ft2,067 ft0.0 mi1.3 mi2.7 mi4.0 mi5.4 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,699 ft
High point2.0 mi2,067 ft
End5.4 mi1,699 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Indian Springs, MT · about 6 mi away
County:
Lincoln County, MT

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

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