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3.5 mi

Distance

407 ft

Elev. Gain

1h 23m

Est. Time

Point to Point

Route Type

Moderate

Difficulty

About This Trail

Oyster Point Trail is a point-to-point trail in Mount Diablo State Park, managed by the California Department of Parks and Recreation, in Contra Costa County, California. It is 3.5 miles long and gains 407 feet. The surface is dirt. Per OpenStreetMap contributors, it is open to bikes. The nearest town is Blackhawk, California, about 1 mile away in a straight line.

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:287 ft
Max:550 ft
Gain:132 ft
Loss:360 ft
Elevation profileA line rising and falling between 287 ft and 550 ft across 3.5 mi along the route, drawn from start to end.287 ft375 ft463 ft550 ft0.0 mi0.9 mi1.8 mi2.6 mi3.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi515 ft
High point1.8 mi550 ft
End3.5 mi287 ft

Trail Details

Bike access: OpenStreetMap contributors, checked 2026-10-14. Rules change, so confirm with the land manager before you go.

Route Type
Point to Point
Surface
Dirt

Official sources & verification

Managed by California Department of Parks and Recreation

Verify before you go

Where it is

Nearest town:
Blackhawk, CA · in or next to town
County:
Contra Costa County, CA
Jurisdiction:
Mount Diablo State Park · California Department of Parks and Recreation

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: Aug 17, 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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OpenStreetMap

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