Hill Yeah

Hike Less Known Hillside Wilderness Preserve in Monrovia

Hiker on trail at Hillside Wilderness Preserve in Monrovia

Monrovia’s Hillside Wilderness Preserve may be far less popular than the iconic neighboring Monrovia Canyon, but it’s just as worthy of a hike, and you’ll see fewer people! Visit a beautiful portion of the preserve via a 2.75-mile out-and-back rambler that ascends over 500 feet through serene Clamshell Canyon and has a hill of a good view of downtown Monrovia and the surrounding valley. 

Hiker going up trail stairs at Hillside Wilderness Preserve in Monrovia Los Angeles County

Hiker walking past a bench on a trail highpoint overlooking mountains in Hillside Wilderness Preserve in Monrovia

Hillside Wilderness Preserve has four suburban entrances, all of which can easily be completely overlooked by the typical passerby. We like the Ridgeside entrance off of Ridgeside Drive, just north of Briarcliff Drive, tucked away in a beautiful north Monrovia neighborhood at the base of the San Gabriels. Head up the paved road that flanks a stunning succulent garden before you pass through a gate and check the park map. 

HIker sitting on a bench overlooking mountains at Hillside Wilderness Preserve in Monrovia

The trail follows the hillside (what else did you expect?) and straddles steep drop-offs into the canyon below. You’ll pass by oaks, sycamores, and other typical chaparral flora as you gradually ascend. There are trail markers throughout, indicating the distance to the Sunset Bench, your destination, which is especially beautiful as the day winds down. The vistas of the rolling hills to the south and mountain peaks to the north are constant, but spy Monrovia as it comes into view partway through the climb. 

Hiker walking on a trail at Hillside Wilderness Preserve in Monrovia

At the halfway mark, reach a trail junction that directs you right up a small bunch of wooden stairs past a towering yucca (the left path continues downhill to another preserve entrance). You’ll find the bench at this spur trail’s terminus, next to a surprising cedar and a patch of cacti. The bench looks northwest over more views of rolling hills and gorgeous homes—the perfect resting spot before heading back.

Holiday light decorations in Old Town Monrovia

Christmas Tree at Cup of Cha  Tea House in Old Town Monrovia Los Angeles County

Before leaving town, be sure to take a stroll through Old Town Monrovia, which is always decked out for the holidays. The library park has ornaments in the trees, cheery lights, and even some presents and nutcrackers set up. For a festive drink, head to Cup of Cha for any of their delicious teas (boba optional!). Our favorites are OMG and Owlkaido! Monrovi-duh!

To get to the Ridgeside entrance of Monrovia Hillside Wilderness Preserve, take the I-210 to the Myrtle Ave. exit and head north for 1.7 miles. Head right on Hillcrest Blvd. and after 0.3 mile, turn left on Canyon Blvd., and after 0.4 mile, turn left onto Ridgeside Dr. Just after the intersection with Briarcliff Rd., find the paved entrance on the right. Dog-friendly!

Story and photos by Matt Pawlik, @mattitudehikes

Trending Stories NorCal

View all Stories
  1. Perles Beach Angel Island San Francisco Bay

    Secret Beach

    A hidden beach and a killer view? Those are hard to come by, but that’s exactly what you’ll get at Perles Beach on Angel Island. Bike or hike to this beautiful pocket cove.

    View
  2. Cinematic Sonoma

    Longer days. Golden light. Wildflowers in bloom. It’s the perfect moment to plan your spring escape to Sonoma for the Sonoma International Film Festival, March 25–29. No fuss. No sprawl. Just films, friends, fresh air, and that unmistakable Sonoma glow.

    View
  3. Hike Pescadero Marsh Natural Preserve

    Mellow in the Marsh

    Beach, birds, ice plant popping purple flowers: That’s a hiking slam dunk! Hike about 2 miles at Pescadero Marsh Natural Preserve using their easy to navigate (well-signed) Sequoia Audubon Trail.

    View
  4. A man is looking through his binoculars at sunrise at the Bayland Nature Preserve in Palo Alto

    Baylands Bird & Art Loop

    Combine an outdoor art walk and wildlife sightings at the Baylands Nature Preserve in Palo Alto. This 5-mile loop through Byxbee Park and the Emily Renzel Wetlands features striking installations by artists Peter Richards and Michael Oppenheimer—where the landscape itself becomes part of the canvas.

    View

Trending Stories SoCal

View all Stories
  1. Tree Town

    Home to an estimated 21,000 trees and 100 acres of parkland, South Pasadena has earned its nickname: the City of Trees. This 2.5-mile neighborhood walk lets you experience its leafy canopy up close, winding through charming streets and three of the city’s beloved parks.

    View
  2. A Better Way to Baldwin

    The Baldwin Hills Scenic Overlook in Culver City is one of West L.A.’s most popular hiking spots, but most visitors miss the bigger picture. This 3.5-mile out-and-back along a section of the Park to Playa Trail offers a fuller experience of this gorgeous nature park with sweeping urban views and a few artistic surprises along the way.

    View
  3. Sponsored

    Warm Up to Winter in Reno Tahoe

    2026 is just getting started, but there’s one place already rising to the top as the best for adventure and relaxation: Reno Tahoe. The awe—and ahhhs—begin as soon as you arrive. G

    View
  4. A woman standing at the pond's edge at Ernest B Debs Regional Park in Los Angeles. Trees are making reflections on the pond.

    Urban Oasis Loop

    Home to the city’s Audubon Center, Ernest E. Debs' 282-acre park features a robust network of hiking trails and surprising wildlife diversity. More than 140 bird species have been spotted here. Birdwatcher or not, this 2.5-mile route makes for a gorgeous outing.

    View