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Southern Marin Line and Hoo-Koo-E-Koo Loop route map
Difficulty: DifficultLoop
California

Southern Marin Line and Hoo-Koo-E-Koo Loop

Greenbrae, California

5.6 mi

Distance

2,051 ft

Elev. Gain

2h 7m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

Southern Marin Line and Hoo-Koo-E-Koo Loop is a loop trail in Marin County, California. It is 5.6 miles long. It is in or next to Kentfield, 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:149 ft
Max:244 ft
Gain:625 ft
Loss:625 ft
Elevation profileA line rising and falling between 149 ft and 244 ft across 5.6 mi along the route, drawn from start to end.149 ft181 ft212 ft244 ft0.0 mi1.4 mi2.8 mi4.2 mi5.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi154 ft
High point4.9 mi244 ft
End5.6 mi154 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Kentfield, 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

More trails near Southern Marin Line and Hoo-Koo-E-Koo Loop
Hoo-Koo-E-Koo Trail

Hoo-Koo-E-Koo Trail

2.7 mi
TrailDifficulty: Moderate
Hoo-Koo-E-Koo, Blithedale Ridge, Huckleberry, Piedmont, Dawn Falls Loop

Hoo-Koo-E-Koo, Blithedale Ridge, Huckleberry, Piedmont, Dawn Falls Loop

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TrailDifficulty: Difficult
Kent Woodlands to Mount Tamalpais East Peak

Kent Woodlands to Mount Tamalpais East Peak

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Windy Ridge and Indian Fire Trail

Windy Ridge and Indian Fire Trail

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TrailDifficulty: Moderate
Lake Lagunitas, Bon Tempe and Alpine Lakes, Cataract Falls to Mount Tam Loop

Lake Lagunitas, Bon Tempe and Alpine Lakes, Cataract Falls to Mount Tam Loop

15.1 mi
TrailDifficulty: Expert
Pilot Knob Hill Loop

Pilot Knob Hill Loop

7.0 mi
TrailDifficulty: Difficult

Stay nearby

Campgrounds near this trail

More campgrounds

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Spot an error in our data on Southern Marin Line and Hoo-Koo-E-Koo Loop?