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Muir Peak Loop route map
Difficulty: ExpertLoop

Muir Peak Loop

Altadena, California

7.5 mi

Distance

4,203 ft

Elev. Gain

3h 59m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

Muir Peak Loop is a loop trail in Angeles Other, managed by the United States Forest Service, in Los Angeles County, California. It is 7.5 miles long and gains 4,203 feet. It is in or next to Altadena, 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.

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Elevation Profile

Min:532 ft
Max:1,402 ft
Gain:1,281 ft
Loss:1,281 ft
Elevation profileA line rising and falling between 532 ft and 1,402 ft across 6.0 mi along the route, drawn from start to end.532 ft822 ft1,112 ft1,402 ft0.0 mi1.5 mi3.0 mi4.5 mi6.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi560 ft
High point3.9 mi1,402 ft
End6.0 mi560 ft

Trail Details

Route Type
Loop

Official sources & verification

Managed by United States Forest Service

Verify before you go

Where it is

Nearest town:
Altadena, CA · in or next to town
County:
Los Angeles County, CA
Jurisdiction:
Angeles Other · United States Forest Service

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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