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Blackstone Canyon Trail and Queenstone Fire Road route map
Difficulty: ExpertOut and Back
California

Blackstone Canyon Trail and Queenstone Fire Road

San Rafael, California

9.0 mi

Distance

3,537 ft

Elev. Gain

4h 38m

Est. Time

Out & Back

Route Type

Expert

Difficulty

About This Trail

Blackstone Canyon Trail and Queenstone Fire Road is an out-and-back trail in Marin County, California. It is 9 miles long and gains 3,537 feet. It is in or next to Lucas Valley-Marinwood, 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:48 ft
Max:430 ft
Gain:1,078 ft
Loss:1,078 ft
Elevation profileA line rising and falling between 48 ft and 430 ft across 9.0 mi along the route, drawn from start to end.48 ft175 ft303 ft430 ft0.0 mi2.2 mi4.5 mi6.7 mi9.0 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi48 ft
High point2.3 mi430 ft
End9.0 mi48 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Lucas Valley-Marinwood, 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?

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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 Blackstone Canyon Trail and Queenstone Fire Road
Queenstone Fire Road

Queenstone Fire Road

4.6 mi
TrailDifficulty: Moderate

Idylberry Trail

2.1 mi
TrailDifficulty: Easy

Miller Creek Trail

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Pacheco Creek Trail

Pacheco Creek Trail

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TrailDifficulty: Easy
Chicken Shack and Big Rock Ridge Road Loop

Chicken Shack and Big Rock Ridge Road Loop

4.8 mi
TrailDifficulty: Difficult
Big Rock from Redwood Highway

Big Rock from Redwood Highway

10.8 mi
TrailDifficulty: Expert

Stay nearby

Campgrounds near this trail

More campgrounds

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