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Contra Costa County

Contra Loma Regional Park

Attractions and Places To See in Contra Loma Regional Park - Top 4

Best attractions and places to see in Contra Loma Regional Park include its 780 acres centered around an 80-acre reservoir in Antioch, California. The park features rolling hills, diverse landscapes ranging from grassland to oak woodland, and opportunities for wildlife viewing. Historically, the area was home to the Julpun people, with mortar rocks beneath the reservoir serving as a reminder of their presence. The park offers a mix of natural beauty and recreational opportunities.

Best attractions and places to see…

Last updated: July 2, 2026

Contra Loma Reservoir

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Contra Loma Reservoir is an 80-acre reservoir located in Contra Loma Regional Park that offers year-round fishing and summer swimming. Additionally, there are hiking and biking trails around the reservoir.

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Antioch Community Park

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A large park is situated between two dammed water reservoirs, offering sports fields, drinking water, partially shaded picnic tables, and meadows.

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Delta - DeAnza - Trail

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Slightly more interesting route essentially parallel to Mokelumne Trail but also longer

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Contra Loma Regional Park

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The Contra Loma Regional Park is a natural beauty with green spaces, rolling hills, stunning views, and obviously its centerpiece: a beautiful reservoir. The reservoir is surrounded by scenic trails for hiking and biking.

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In the middle of Contra Loma Regional Park a dam holds back the water for a small reservoir. The trails circle the lake and are also a gateway into Black Diamond Mines Regional Preserve.

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June 11, 2025, Contra-Loma Reservoir Dam at Contra Costa Canal

In the middle of Contra Loma Regional Park a dam holds back the water for a small reservoir. The trails circle the lake and are also a gateway into Black Diamond Mines Regional Preserve.

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Slightly more interesting route essentially parallel to Mokelumne Trail but also longer

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Large natural park with hiking trails along a creek as well as hilly loop options. Large fields for various sports, restrooms, water, picnic facilities

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The Contra Loma Regional Park is a natural beauty with green spaces, rolling hills, stunning views, and obviously its centerpiece: a beautiful reservoir. The reservoir is surrounded by scenic trails for hiking and biking.

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Contra Loma Reservoir is an 80-acre reservoir located in Contra Loma Regional Park that offers year-round fishing and summer swimming. Additionally, there are hiking and biking trails around the reservoir.

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A large park is situated between two dammed water reservoirs, offering sports fields, drinking water, partially shaded picnic tables, and meadows.

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Excellent dedicated car-free bike trail along the canal

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Frequently Asked Questions

What water-based activities can I enjoy at Contra Loma Regional Park?

The park's centerpiece, Contra Loma Reservoir, offers year-round fishing, windsurfing, and boating with electric motors only. During the summer months, a lifeguarded swim lagoon with a sandy beach provides a popular spot for swimming and cooling off.

Are there easy hiking trails suitable for all skill levels?

Yes, Contra Loma Regional Park features several trails for various fitness levels. An easy option is the 2.7-mile Contra Loma Reservoir Loop, which circles the reservoir with minimal elevation gain. For more hiking options, you can explore routes like the Old Homestead Loop Trail or the East and West Shore Loop Trail. Find more details on hiking routes at Hiking in Contra Loma Regional Park.

What kind of wildlife can I expect to see in the park?

Contra Loma Regional Park offers excellent opportunities for wildlife viewing. Keep an eye out for jackrabbits, turtles, and a variety of birds including Black Phoebes, waterfowl, and raptors. Other animals that call the park home include coyotes, grey foxes, mule deer, and North American river otters along the shoreline. During spring, the hillsides are vibrant with wildflowers.

Are there family-friendly activities available at Contra Loma Regional Park?

Absolutely! The park is very family-friendly. The lifeguarded swim lagoon with a sandy beach is a popular summer attraction. Many trails, such as the Antioch Community Park Trail to Contra Loma Reservoir, are suitable for families. Additionally, there are numerous picnic areas, some reservable, perfect for a family outing.

Can I bring my dog to Contra Loma Regional Park?

Yes, Contra Loma Regional Park is dog-friendly. Dogs are generally permitted on trails, but it's always best to keep them on a leash and be mindful of other visitors and wildlife. The Contra Loma Reservoir area and many of the park's trails are suitable for walks with your canine companion.

What are the best trails for cycling in the park?

Cyclists can enjoy the extensive network of trails. The Delta - DeAnza - Trail is an excellent dedicated car-free bike trail along the canal, offering a longer and varied experience. The Antioch Community Park Trail to Contra Loma Reservoir also features dirt single tracks suitable for cycling. For more cycling routes, visit Cycling in Contra Loma Regional Park.

Are there any historical or cultural sites within Contra Loma Regional Park?

Yes, the area has significant historical ties to the Julpun people, who spoke the Bay Miwok language. "Mortar rocks" beneath the reservoir serve as a reminder of their presence and deep connection to the land. The park's history is also linked to the adjacent Black Diamond Mines Regional Preserve, where native people were part of the early coal mining labor force.

What is the best time of year to visit Contra Loma Regional Park?

The park offers attractions year-round. Spring is particularly beautiful with vibrant wildflowers and lush greenery. Summer is ideal for water activities at the swim lagoon. For hiking, spring and fall offer pleasant temperatures, while winter can also be enjoyable on clear days. Be aware that rattlesnakes are more active during warmer midday hours, especially off main trails.

Are there any viewpoints or scenic spots in the park?

The park's rolling hills and diverse landscapes provide several scenic spots. The 4.5-mile Rolling Hills Vista Trail offers panoramic views from the park's hills. On clear days, visitors can enjoy views of the surrounding mountains and even Mount Diablo. The Contra Loma Reservoir itself provides scenic views and is a central point of beauty.

What facilities are available at Antioch Community Park, which connects to Contra Loma Regional Park?

Antioch Community Park, situated between two dammed water reservoirs, offers sports fields, drinking water, partially shaded picnic tables, and meadows. It's a large natural park with hiking trails along a creek and hilly loop options, providing convenient amenities for visitors.

What kind of mountain biking trails are available near Contra Loma Regional Park?

For mountain biking enthusiasts, there are several trails nearby. Options include the easy Star Mine and Stewartville Trail Loop, the Contra Loma Shore loop, and the Old Homestead Loop Trail. You can find more detailed information and routes at MTB Trails in Contra Loma Regional Park.

Is there a specific dam or man-made monument to see?

Yes, you can visit the Contra-Loma Reservoir Dam at Contra Costa Canal. This man-made monument is located in the middle of Contra Loma Regional Park, holding back the water for the reservoir. Trails circle the lake and also provide a gateway into Black Diamond Mines Regional Preserve.

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