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Four Days Diablo Trail route map
Difficulty: ExpertPoint to Point

Four Days Diablo Trail

Walnut Creek, California

30.5 mi

Distance

7,402 ft

Elev. Gain

12h 58m

Est. Time

Point to Point

Route Type

Expert

Difficulty

About This Trail

Four Days Diablo Trail is a point-to-point trail in Contra Costa County, California. It is 31 miles long and gains 7,402 feet. It is in or next to Shell Ridge, 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:74 ft
Max:701 ft
Gain:2,256 ft
Loss:2,276 ft
Elevation profileA line rising and falling between 74 ft and 701 ft across 30.5 mi along the route, drawn from start to end.74 ft283 ft492 ft701 ft0.0 mi7.6 mi15.3 mi22.9 mi30.5 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi95 ft
High point20.6 mi701 ft
End30.5 mi75 ft

Trail Details

Route Type
Point to Point

Official sources & verification

Verify before you go

Where it is

Nearest town:
Shell Ridge, 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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