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. A man takes a break at a temple spot on a hike at Dragon Mountain in Milptas

    Dragon Quest

    The newly reopened, 4-mile out-and-back hike at Dragon Mountain in Milpitas mixes the physical with the spiritual for a serene hiking experience.

    View
  2. Keough's Hot Springs

    Soaking Up History

    When you slide into the soothing water of Keough’s Hot Springs, you’re bathing in a piece of Owens Valley history.

    View
  3. woman hiking Buck Gulch Falls Novato

    Buck Wild!

    Tucked back beyond the residential ranch-style homes and golf courses of Novato in the North Bay is a wild and wondrous 30-foot waterfall that springs to life in the rainy season. Buck Gulch Falls in Novato’s Ignacio Valley Preserve is in peak flow right now, and it’s a short and Middle-earthy hike to reach it.

    View
  4. Grover Hot Springs

    State Park Soaker

    Set in an alpine meadow at 6,000 feet and surrounded by the 10,000-foot granite peaks of the Sierra, Grover Hot Springs State Park—just outside the town of Markleeville—has its very own hot springs.

    View

Trending Stories SoCal

View all Stories
  1. A woman stands at Dante's View in Death Valley, looking out to Telescope Peak and Manly Lake, Badwater Basin below.

    Sunset Hike at Dante's View

    It’s one of the world’s best places to watch a sunset. Dante’s View is a 5,476-foot vantage of the whole southern basin of Death Valley from the top of the Black Mountains. Right now there's a banner and bonus view of a rare lake formation that appears only after big rains.

    View
  2. Hot, Wet, and Wild!

    At Wild Willy’s Hot Springs, you can soak up a primeval landscape that’s amazingly close to Mammoth Lakes and Highway 395—it just feels a few geological epochs away.

    View
  3. Redding Ironman Whiskeytown lake
    Sponsored

    New Year, New Goal: IRONMAN 70.3 Northern California

    2026 is off and running! And swimming. And biking. Don't get left behind! Commit to one of the upcoming year’s most exciting endurance events—IRONMAN 70.3 Northern California in Redding.

    View
  4. Hikers sitting on a large rock slab next to Three Sisters Falls in Cleveland National Forest Southern California near Julian

    Three Sisters

    Good things come in threes at this hike to a lovely trio-tiered waterfall in Cleveland National Forest. The 4.25-mile out-and-back hike rambles among rolling hills, with rocky mountain views as switchbacks take you down to a lush canyon and the falls.

    View