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Thunder Mountain Loop Trail route map
Difficulty: ExpertLoop

Thunder Mountain Loop Trail

Kirkwood, California

12.0 mi

Distance

3,330 ft

Elev. Gain

5h 17m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

Thunder Mountain Loop Trail is a loop trail in Amador County, California. It is 12 miles long and gains 3,330 feet. The nearest town is Kirkwood, California, about 2 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:2,191 ft
Max:2,856 ft
Gain:1,015 ft
Loss:1,015 ft
Elevation profileA line rising and falling between 2,191 ft and 2,856 ft across 12.0 mi along the route, drawn from start to end.2,191 ft2,413 ft2,634 ft2,856 ft0.0 mi3.0 mi6.0 mi9.0 mi12.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,432 ft
High point8.2 mi2,856 ft
End12.0 mi2,432 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Kirkwood, CA · about 2 mi away
County:
Amador County, CA

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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