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Oak Grove Loop Trail, Chino Hills, CA

Shade on the Oak Grove Loop Trail

Oak Grove Trail, Chino Hills, CA

Rolling hills above the Oak Grove Trail

Oak Grove Loop (Chino Hills)

    • Location: Grand Avenue Park, Chino Hills. From the 57/60 Freeways, take the Grand Avenue exit and head southeast for 3.3 miles to the park.  Turn right and park in the lot. From the Riverside area, take the 71 Freeway to the Edison Avenue/Grand Avenue exit.  Turn left on Grand Avenue and head 3.4 miles to the park.  Turn left and park in the lot.  Parking is free and there are restrooms at the trail head.
    • Agency: City of Chino Hills
    • Distance: 1.3 miles
    • Elevation gain: 200 feet
    • Difficulty Rating: G
    • Suggested time: 45 minutes
    • Best season: All year
    • USGS topo map: Ontario
    • Recommended gear: Sun Hat
    • More information: Trail map here
    • Rating: 5
Grand Avenue Park trail head, Chino Hills, CA

0:00 – Trail head at Grand Avenue Park (click thumbnails to see the full sized versions)

The Oak Grove Loop is a pleasant surprise: a shaded oasis in the dry, exposed terrain of Chino Hills, virtually hidden from the sights and sounds of the nearby residential areas and traffic of Grand Avenue. It’s one of the few hiking routes in the area that can be done year-round, though of course adequate sun protection and drinking water is recommended despite the short distance.

Oak Grove Trail, Chino Hills, CA

0:07 – Right turn on the spur leading to the Oak Grove Trail (times are approximate)

From the eastern end of Grand Avenue Park, pick up the fence-lined bridle trail, making an immediate left at the T-junction (the right fork heads toward Sunset Park, a good cool-day hike for those who want more of a workout). The trail ducks into a tunnel that crosses underneath Grand Avenue and makes a short but steep climb to an unsigned junction, 0.2 miles from the start. The Grand Avenue Trail continues uphill and north, eventually joining the La Sierra Loop, but to reach the Oak Grove Trail, turn right and head downhill, past a barbed wire fence and into the shade. You soon reach the start of the loop, which can be hiked in either direction.
Oak Grove Trail, Chino Hills, CA

0:09 – Start of the loop

If you decide to hike counter-clockwise (as described below), bear right onto the loop trail. You follow it downhill to an outlet at Pleasant Hill Drive, a residential street in a gated community. Turn left and briefly follow the street to a small parking lot, where you’ll pick up the next leg of the trail. It descends across a footbridge into an attractive oak woodland, soon emerging into the open. The trail switchbacks up a hillside, in and out of shade, taking in some nice views to the east before completing the loop (1 mile from the start). From here, make a hairpin right turn and retrace your steps back to the previous junction, downhill, under Grand Avenue and back to the starting point at the park.

Oak Grove Trail, Chino Hills, CA

0:13 – Heading back into the woods from Pleasant Hill Drive

Text and photography copyright 2015 by David W. Lockeretz, all rights reserved. Information and opinions provided are kept current to the best of the author’s ability. All readers hike at their own risk, and should be aware of the possible dangers of hiking, walking and other outdoor activities. By reading this, you agree not to hold the author or publisher of the content on this web site responsible for any injuries or inconveniences that may result from hiking on this trail. Check the informational links provided for up to date trail condition information.

Oak on the Oak Grove Trail, Chino Hills, CA

0:26 – Big oak near the top of the loop

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