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Hanna Grove Trail, Costanoan Trail, and Briones Trail Loop route map
Difficulty: ModerateLoop

Hanna Grove Trail, Costanoan Trail, and Briones Trail Loop

Walnut Creek, California

4.6 mi

Distance

1,240 ft

Elev. Gain

Loop

Route Type

Moderate

Difficulty

About This Trail

Hanna Grove Trail, Costanoan Trail, and Briones Trail Loop is a loop trail in Contra Costa County, California. It is 4.6 miles long and gains 1,240 feet. It is in or next to Walnut Creek, 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:95 ft
Max:205 ft
Gain:378 ft
Loss:378 ft
Elevation profileA line rising and falling between 95 ft and 205 ft across 4.6 mi along the route, drawn from start to end.95 ft132 ft168 ft205 ft0.0 mi1.1 mi2.3 mi3.4 mi4.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi155 ft
High point4.2 mi205 ft
End4.6 mi155 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Walnut Creek, CA · in or next to town
County:
Contra Costa 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.

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