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Grand Avenue Trail route map
Difficulty: ModerateOut and Back

Grand Avenue Trail

Chino Hills, California

3.4 mi

Distance

735 ft

Elev. Gain

1h 26m

Est. Time

Out & Back

Route Type

Moderate

Difficulty

About This Trail

Grand Avenue Trail is an out-and-back trail in San Bernardino County, California. It is 3.4 miles long and gains 735 feet. It is in or next to Diamond Bar, 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:331 ft
Max:409 ft
Gain:224 ft
Loss:224 ft
Elevation profileA line rising and falling between 331 ft and 409 ft across 3.4 mi along the route, drawn from start to end.331 ft357 ft383 ft409 ft0.0 mi0.8 mi1.7 mi2.5 mi3.4 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi342 ft
High point1.0 mi409 ft
End3.4 mi342 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Diamond Bar, CA · in or next to town
County:
San Bernardino 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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