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Los Angeles County

Antonovich Open Space Preserve

The best city hikes and walks in Antonovich Open Space Preserve

4.7

(44)

344

hikers

4

hikes

Hiking in Antonovich Open Space Preserve offers diverse urban hiking trails through varied terrain. The preserve features expansive grasslands, chaparral, and significant woodlands, including bigcone Douglas-fir and coast live oak trees. Riparian corridors with year-round surface water are present in canyons like Devil and Ybarra. The rolling topography includes both gentle slopes and more challenging ascents, providing panoramic views of the San Fernando Valley and surrounding mountains.

Best urban hiking trails in Antonovich Open Space Preserve

  • The most popular urban…

Last updated: June 26, 2026

3.0

(1)

6

hikers

#1.

Hart Trail loop

3.03km

00:52

70m

80m

Embark on the easy Hart Trail loop, a pleasant hike spanning 1.9 miles (3.0 km) with a gentle elevation gain of 240 feet (73 metres). You can comfortably complete this…

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Easy

12.4km

03:10

40m

40m

The South Fork River Trail offers a moderate hiking experience, stretching 7.7 miles (12.4 km) with a gentle elevation gain of 143 feet (44 metres). You can expect to complete…

Moderate
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Embark on an easy hike along the South Fork River Trail, a paved path stretching 4.3 miles (6.9 km). You will experience minimal elevation gain, just 11 feet (3 metres),…

Easy

5.0

(1)

5

hikers

Embark on an easy hike along the Valencia Summit Park Loop, where paved surfaces guide you through a pleasant blend of urban and natural settings. As you walk, you'll pass…

Easy

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

Easy

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Tips from the Community

David Howells
May 26, 2025, Santa Clara River

At about 84 miles long, the Santa Clara River is the largest natural river system in southern California remaining in a relatively undeveloped state. Along its length there is the 8 mile long Santa Clara River Trail, which is a paved bicycle and walking path in the city of Santa Clarita.

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Here, under the powerlines, South Fork River Trail and an extension of Newhall Avenue cross.

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I usually turn around here.

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At about 84 miles long, the Santa Clara River is the largest natural river system in southern California remaining in a relatively undeveloped state. Along its length there is the 8 mile long Santa Clara River Trail, which is a paved bicycle and walking path in the city of Santa Clarita.

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Matthew
October 13, 2023, Valencia Summit Park

Valencia Summit Park features some paved paths with rolling hills that are perfect for running. There are flatter trails and paths around town, but the none of the hills are super long. These paths also offer some time in nature with trees and gardens next to the trails.

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There are many walking paths within the William S. Hart Musuem & Park. Some run along the fields where you can see the bison donated by Walt Disney. There is also a museum in the park which can be visited to learn more about William S. Hart, the famed silent actor and producer.

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Paved walking path with some ups and downs. As you get towards the top, there are good views of Santa Clarita.

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The Iron Horse Bridge is an old railway bridge that has now been turning into a pedestrian bridge. It is part of the South Fork River Trail and takes users over the Santa Clara River.

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Frequently Asked Questions

How many urban hiking trails are available in Antonovich Open Space Preserve?

Antonovich Open Space Preserve offers a selection of urban hiking trails, with four routes currently featured in this guide. These trails cater to various preferences, ranging from easy strolls to more moderate excursions.

What are the general difficulty levels of urban hikes in Antonovich Open Space Preserve?

The urban hiking trails in Antonovich Open Space Preserve are generally accessible. This guide features three easy routes and one moderate route, making it suitable for a wide range of hikers, including beginners.

What kind of landscapes can I expect to see on urban hikes in Antonovich Open Space Preserve?

Urban hikes here offer a diverse experience, traversing through expansive grasslands, chaparral, and significant woodlands. You'll encounter mixed woodlands with trees like bigcone Douglas-fir, coast live oak, and California black walnut, as well as riparian corridors in canyons. The rolling topography provides both gentle slopes and scenic viewpoints.

Are there any circular urban hiking routes in Antonovich Open Space Preserve?

Yes, there are circular urban hiking options available. For example, the Hart Trail loop offers a pleasant 3 km circuit, and the Valencia Summit Park Loop is another easy circular option around 4.4 km.

What do other hikers enjoy most about urban hiking in Antonovich Open Space Preserve?

The area is highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the diverse landscapes, from woodlands to grasslands, and the panoramic views of the San Fernando Valley and surrounding mountains.

Are the urban hiking trails in Antonovich Open Space Preserve suitable for families?

Yes, many of the urban trails are family-friendly, particularly the easy-rated routes. The varied terrain and natural features provide an engaging experience for all ages. Routes like the Hart Trail loop are great for a shorter outing with children.

Can I bring my dog on the urban hiking trails?

Generally, dogs are welcome on trails in Antonovich Open Space Preserve, but it's always best to check specific trail regulations and ensure your dog is on a leash. This helps protect the local wildlife and plant species, including threatened ones like the slender mariposa lily.

What kind of views can I expect from the urban hiking trails?

Many trails offer stunning panoramic views. You can expect to see sweeping vistas of the San Fernando Valley, the Santa Monica Mountains, Totopa Mountains, Santa Susana Mountains, and the Simi Hills, providing excellent photo opportunities.

Are there any longer urban hiking options for a more challenging experience?

For those seeking a longer urban hike, the South Fork River Trail offers a moderate 12.4 km route. This trail provides an extended opportunity to explore the preserve's natural beauty.

What is the best time of year to go urban hiking in Antonovich Open Space Preserve?

The preserve can be enjoyed year-round, but spring often brings lush greenery and wildflowers, while fall offers pleasant temperatures. Summers can be hot, so early morning or late afternoon hikes are recommended during those months. Always check local weather conditions before heading out.

Where can I find more information about the Antonovich Open Space Preserve?

For official information regarding the preserve, including regulations and facilities, you can visit the Mountains Recreation & Conservation Authority website.

Most popular routes in Antonovich Open Space Preserve

Running Trails in Antonovich Open Space Preserve

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