Top 9 Lakes around Rohnert Park
Best lakes around Rohnert Park are primarily found within Sonoma County, offering diverse natural and recreational opportunities. Rohnert Park itself features Roberts Lake, an urban lake central to Roberts Lake Park. The broader area includes various man-made reservoirs and smaller, quieter lakes, providing settings for activities like fishing, hiking, and relaxation. These bodies of water contribute to the region's appeal for outdoor enthusiasts.
Best lakes around Rohnert Park
- The most popular lakes is Warren Richardson Trail, a trail that…
Last updated: June 25, 2026
Warren Richardson Trail
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Lake Ilsanjo
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Howarth Memorial Park
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South Shore, Santa Rosa Reservoir
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Spring Lake Park
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Tips from the Community
Spring Lake Park is a 320-acre park that has miles of trails, a large reservoir, and a beach. There is a paved path that loops around the reservoir, as well as some single and double track.
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The Warren Richardson Trail is a gravel and dirt path that begins at the main entrance on the eastern side of the park. It ascends to the summit of the main ridge, then gently descends to the scenic Lake Ilsanjo, located near the park's center. It's one of the most scenic trails the park offers.
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This expansive 138-acre community park offers ample parking and restrooms and is a popular starting and ending point for local cyclists. There are plenty of outdoor activities, with the park boasting serene Lake Ralphine for fishing and boating, a softball field, tennis and pickleball courts, inviting picnic areas, and innovative playground structures. There is also a small amusement area with train rides for kids. It is a great gathering spot for families, with miles of trails to explore.
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Popular park east of town with a lake good for water sports and an adjacent lagoon for swimming
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Lake Ilsanjo is a hidden gem in Annadel State Park: it's a small, quiet lake. There are many trails and even some swimming spots.
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Large manmade lake east of Santa Rosa, with a sweet paved bike trail loop and connected to gravel fire roads in Annadel State Park.
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Main trailhead parking and boat dock for this quaint manmade lake, nestled in the hills above Santa Rosa.
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Lake Ilsanjo is a hidden gem in Annadel State Park! There are lots of trails that take you up to the lake. It is also a great spot for a swim!
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Frequently Asked Questions
What types of lakes can I find around Rohnert Park?
Rohnert Park and the surrounding Sonoma County area feature a variety of lakes, including urban lakes like Roberts Lake, quiet natural lakes such as Lake Ilsanjo, and larger man-made reservoirs like Lake Ralphine at Howarth Memorial Park. These offer diverse settings for outdoor activities.
Are there good spots for fishing near Rohnert Park?
Yes, fishing is a popular activity. Roberts Lake in Rohnert Park is known for species like rainbow trout, bluegill, crappie, channel catfish, and largemouth bass. Lake Ralphine at Howarth Memorial Park also offers fishing opportunities.
Which lakes are family-friendly around Rohnert Park?
Several lakes cater to families. Roberts Lake hosts an annual free fishing derby for children. Howarth Memorial Park, featuring Lake Ralphine, is a community park with playgrounds, picnic areas, and various activities suitable for all ages. Lake Ilsanjo and the Warren Richardson Trail leading to it are also considered family-friendly.
Can I bring my dog to the lakes in Rohnert Park?
Yes, Roberts Lake Park features the Roberts Lake Dog Park (Rohnert Bark) with dedicated exercise areas for dogs. Howarth Memorial Park, which includes Lake Ralphine, is also dog-friendly.
Are there hiking trails near the lakes?
Absolutely. The Warren Richardson Trail is a scenic gravel and dirt path that ascends to the main ridge and descends to Lake Ilsanjo. The Rough-Go Trail also leads to Lake Ilsanjo. For more options, you can explore various hiking routes in the region, such as the Redtail and Sky Lupine Trail Loop, by visiting the Hiking around Rohnert Park guide.
Are there opportunities for cycling around the lakes?
Yes, the South Shore, Santa Rosa Reservoir offers a sweet paved bike trail loop and connects to gravel fire roads in Annadel State Park. You can find more cycling routes, including the Santa Rosa Creek Trail loop, in the Road Cycling Routes around Rohnert Park guide.
Can I go boating on any of the lakes?
Yes, Lake Ralphine at Howarth Memorial Park provides opportunities for boating.
What kind of wildlife can I observe at the lakes?
Roberts Lake Park is a good spot for birdwatching, where you might see species like Canada Geese, Mallards, Great Egrets, Snowy Egrets, Western Bluebirds, and Scrub-jays. Ducks also overwinter at the lake.
Is there a hidden gem lake worth visiting?
Lake Ilsanjo, located within Annadel State Park, is often described as a small, quiet hidden gem. It's much quieter than other larger reservoirs and offers cleaner water, making it a great spot for a break or a swim.
How accessible are the lakes in Rohnert Park?
Roberts Lake is conveniently located close to Highway 101 with ample on-street parking along Roberts Lake Road. Howarth Memorial Park also offers ample parking and restrooms, making it easily accessible for visitors.
When is the best time to visit the lakes around Rohnert Park?
The lakes around Rohnert Park can be enjoyed year-round. Spring and fall offer pleasant temperatures for hiking and outdoor activities. Summer is ideal for water-based recreation like fishing and boating, while winter provides opportunities for birdwatching as ducks overwinter at Roberts Lake.
Are there any mountain biking trails near the lakes?
Yes, the region offers mountain biking opportunities. For example, the South Shore, Santa Rosa Reservoir connects to gravel fire roads in Annadel State Park. You can find more detailed routes in the MTB Trails around Rohnert Park guide.
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