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Sleep Hallow Loop route map
Difficulty: DifficultLoop
California

Sleep Hallow Loop

San Anselmo, California

5.9 mi

Distance

1,555 ft

Elev. Gain

Loop

Route Type

Difficult

Difficulty

About This Trail

Sleep Hallow Loop is a loop trail in Marin County, California. It is 5.9 miles long and gains 1,555 feet. It is in or next to Sleepy Hollow, 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:63 ft
Max:442 ft
Gain:474 ft
Loss:474 ft
Elevation profileA line rising and falling between 63 ft and 442 ft across 5.9 mi along the route, drawn from start to end.63 ft189 ft316 ft442 ft0.0 mi1.5 mi3.0 mi4.4 mi5.9 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi89 ft
High point2.5 mi442 ft
End5.9 mi89 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Sleepy Hollow, CA · in or next to town
County:
Marin 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

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White Hill to 680 Trail

White Hill to 680 Trail

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Tamarancho From White Hill

Tamarancho From White Hill

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Baywood Canyon Trail

0.4 mi
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Bay Area Ridge Trail Loop

Bay Area Ridge Trail Loop

5.3 mi
TrailDifficulty: Moderate

Stay nearby

Campgrounds near this trail

More campgrounds

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Spot an error in our data on Sleep Hallow Loop?