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Devils Postpile to Rainbow Falls and Fern Lake route map
Difficulty: ExpertLoop

Devils Postpile to Rainbow Falls and Fern Lake

Mammoth Lakes, California

12.9 mi

Distance

3,228 ft

Elev. Gain

5h 36m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

We don't publish a description for Devils Postpile to Rainbow Falls and Fern Lake unless we can point you at the agency it came from. We don't have one yet. The planning figures above — distance, elevation gain, estimated time, route type — come from the source listed on this trail.

The managing agency is the authority for conditions, closures and route notes. See official sources below. Spot something we should add?

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.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:2,251 ft
Max:2,697 ft
Gain:984 ft
Loss:984 ft
Elevation profileA line rising and falling between 2,251 ft and 2,697 ft across 12.9 mi along the route, drawn from start to end.2,251 ft2,400 ft2,548 ft2,697 ft0.0 mi3.2 mi6.4 mi9.6 mi12.9 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,320 ft
High point8.3 mi2,697 ft
End12.9 mi2,320 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Mammoth Lakes, CA · about 2 mi away
County:
Madera 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?

Reviews

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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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