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Lake Mary, Duck Lake, Purple Lake, and Ram Lake Loop route map
Difficulty: ExpertLoop
California

Lake Mary, Duck Lake, Purple Lake, and Ram Lake Loop

Mammoth Lakes, California

25.8 mi

Distance

11,385 ft

Elev. Gain

11h 20m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

Lake Mary, Duck Lake, Purple Lake, and Ram Lake Loop is a loop trail in Mono County, California. It is 26 miles long and gains 11,385 feet. It is in or next to Mammoth Lakes, California.

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.

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

Elevation Profile

Min:1,494 ft
Max:3,420 ft
Gain:3,470 ft
Loss:3,470 ft
Elevation profileA line rising and falling between 1,494 ft and 3,420 ft across 25.8 mi along the route, drawn from start to end.1,494 ft2,136 ft2,778 ft3,420 ft0.0 mi6.5 mi12.9 mi19.4 mi25.8 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi2,738 ft
High point21.4 mi3,420 ft
End25.8 mi2,738 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Mammoth Lakes, CA · in or next to town
County:
Mono 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.

Nearby Trails

More trails near Lake Mary, Duck Lake, Purple Lake, and Ram Lake Loop
Lake Mary, Reds Meadow, Devils Postpile, Rainbow Falls Loop

Lake Mary, Reds Meadow, Devils Postpile, Rainbow Falls Loop

18.1 mi
TrailDifficulty: Expert

Barrett Lake to Lake Mary

0.9 mi
TrailDifficulty: Easy
Lakes Basin Path to Pack Trail

Lakes Basin Path to Pack Trail

11.7 mi
TrailDifficulty: Difficult
Upper Twin Falls

Upper Twin Falls

0.3 mi
TrailDifficulty: Easy
Twin Lakes Campground

Twin Lakes Campground

3.6 mi
TrailDifficulty: Moderate
Mammoth Crest Loop

Mammoth Crest Loop

12.7 mi
TrailDifficulty: Expert

Stay nearby

Campgrounds near this trail

More campgrounds

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Spot an error in our data on Lake Mary, Duck Lake, Purple Lake, and Ram Lake Loop?