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Diamond Bar

The best walks and hikes around Diamond Bar

4.8

(42)

613

hikers

84

hikes

Hiking around Diamond Bar offers routes through diverse landscapes, including rolling, grassy hills and riparian woodlands shaded by oak and sycamore trees. The region features unique ecological elements such as coast live oak woodlands and some redwood trees. Many trails provide scenic vistas of the San Gabriel Mountains and the broader San Gabriel Valley. The network of trails includes both maintained park paths and unpaved routes, offering views of canyons and geological formations.

Best hiking trails around Diamond Bar

  • The most popular hiking route is Gilman Peak – Chino Hills State Park, a 9.5 miles (15.3 km) trail that takes 4 hours 23 minutes to complete. This moderate hike involves a significant ascent to one of the highest points in the park.
  • Another top favourite among local hikers is McCoy and Eucalyptus Loop, an easy 3.7 miles (6.0 km) path. This route features varied terrain suitable for a relaxed outing.
  • Local hikers also love the Diamond Bar Loop Trail — Summitridge Park, a 1.6 miles (2.5 km) trail leading through a community park, often completed in about 43 minutes.
  • Hiking around Diamond Bar is defined by rolling, grassy hills, riparian woodlands, and city park trails with scenic viewpoints. The network of routes provides options for both easy walks and more challenging hikes with greater elevation gain.
  • The routes in Diamond Bar are highly rated by the komoot community with an average score of 4.8 stars from over 40 reviews. More than 500 hikers have used komoot to explore Diamond Bar's varied terrain.

Last updated: September 27, 2026

52

hikers

#1.

McCoy and Eucalyptus Loop

5.92km

01:36

80m

80m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

5.0

(1)

18

hikers

6.98km

02:01

170m

180m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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2

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

1.69km

00:28

30m

20m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Frequently Asked Questions

Are there any dog-friendly hiking trails in Diamond Bar?

Yes, many trails in the area are suitable for dogs, provided they are kept on a leash. Local parks like Sycamore Canyon Park and Summitridge Park are popular choices for dog walkers. For a longer outing, the Grand Avenue Trail offers a moderately easy path through Chino Hills that you and your canine companion can enjoy.

What are some good, easy hikes for beginners in the Diamond Bar area?

For those new to hiking, the Nature Trail and Redwood Trail loop is an excellent choice. It's a relatively flat and short walk that features a surprising grove of redwood trees. Most trails within the city's parks are also beginner-friendly, though some may have short, steep sections.

Can I find any hiking trails with waterfalls near Diamond Bar?

Yes, Sycamore Canyon Park features a trail with a waterfall observation deck. While the flow can vary depending on the season, it's a lovely spot to enjoy the natural scenery. The trail itself winds through a riparian habitat with oak and sycamore trees, making it a pleasant walk.

Which trails offer the best scenic views?

For panoramic vistas, the trails at Summitridge Park are hard to beat. The routes here climb to offer breathtaking views of the surrounding cities and the San Gabriel Mountains. On a clear day, the scenery is quintessentially Southern Californian. Benches are placed along the trails so you can rest and take in the views.

What are the best hiking options for families with children?

Sycamore Canyon Park is a great option for a family outing. It has a playground and picnic areas in addition to a relatively easy trail. The path has interesting features like an exercise station and the waterfall viewpoint, which can keep kids engaged.

How difficult is the Steep Canyon Trail?

The Steep Canyon Trail at Summitridge Park is considered a moderate challenge. While not very long, it includes a significant incline with grades up to 22%. You can tackle it as a steep climb or a more gradual ascent depending on which direction you take the loop. The effort is rewarded with excellent views from the top.

What should I know about hiking in Chino Hills State Park?

Chino Hills State Park offers a more rugged and expansive hiking experience compared to the city parks in Diamond Bar. It features over 90 miles of trails through rolling, grassy hills. While some trails like the Telegraph Canyon Trail are relatively flat, others, such as the route to Gilman Peak, are more strenuous and require good fitness. It's a fantastic place to find solitude and observe wildlife.

What are the parking options for the main trailheads?

For trails within city parks like Sycamore Canyon Park and Summitridge Park, there are dedicated parking lots available. These are generally sufficient, but can get busy on weekends. For official park information, including hours and any potential fees, it's a good idea to check the city's website. For Chino Hills State Park, there are designated parking areas, and an entrance fee is typically required.

How many hiking trails are there around Diamond Bar?

There are nearly 50 curated hiking routes around Diamond Bar available on komoot. These range from easy walks in local parks to more challenging treks in the nearby state park, offering a great variety for all skill levels.

What do other hikers say about the trails in Diamond Bar?

The hiking routes around Diamond Bar are highly regarded by the komoot community, with an average rating of 4.6 stars. Hikers often praise the surprising natural beauty within an urban area, the well-maintained park trails, and the stunning panoramic views of the San Gabriel Mountains from the higher ridges.

Are there any circular or loop hikes available?

Yes, there are several enjoyable loop trails. The Diamond Bar Loop Trail in Summitridge Park is a popular short loop with great views. For a longer, more immersive experience, the Bonelli Trail loop offers a scenic route around the Puddingstone Reservoir.

How does hiking in Summitridge Park compare to Sycamore Canyon Park?

Both parks offer great, accessible hiking, but with different characteristics. Sycamore Canyon Park is known for its shaded, riparian environment along a creek with a waterfall viewpoint. Summitridge Park is more about the climb and the reward, offering open, hillside trails that lead to expansive, panoramic views of the region.

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