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Routes
Hikes
Sonoma County

Trione-Annadel State Park

Routes
Hikes
Sonoma County

Trione-Annadel State Park

The best family-friendly hikes and walks in Trione-Annadel State Park

4.8

(37)

812

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Family friendly hiking trails in Trione-Annadel State Park are situated on the eastern edge of Santa Rosa, within Sonoma County. The park spans over 5,000 acres, characterized by rolling hills, diverse ecosystems, and unique volcanic rock formations. Its extensive trail system navigates through northern oak woodlands, grasslands, chaparral, and riparian areas, offering varied terrain for hikers.

Best family friendly hiking trails in Trione-Annadel State Park

  • The most popular family friendly hiking route is Channel, North Burma, and Warren Richardson Loop

Last updated: May 14, 2026

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hikers

#1.

Channel, North Burma, and Warren Richardson Loop

11.8km

03:16

190m

210m

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

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Moderate

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

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

Moderate

2

hikers

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

1

hikers

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard
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Tips from the Community

mtm05005
May 13, 2025, Ridge Trail

The Ridge Trail is a popular trail in Trione-Annadel State Park. The flowy single track follows a ridge as it leads you up some switchbacks.

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Trail around the southern perimeter of Annadel State Park to Bennet Mountain

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Within this park, there are extensive miles of trails available for hiking, biking, and horseback riding. The landscape comes alive with an array of wildflowers, particularly vibrant during spring. Notably, Lake Ilsanjo stands as a park highlight, offering opportunities for fishing and often attracting anglers.

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Sorcerer V
April 9, 2023, Ridge Trail

switchbacks need some consideration

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Short, useful connector trail

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Get off the wide forest road onto the quieter hiking trails

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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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Warren Richardson is the main, gradual gravel-paved fire road to the Lake Ilsanjo saddle from the north side of the park. Very pleasant riding in the shade of tall pine and fir trees.

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Frequently Asked Questions

How many family-friendly hiking trails are there in Trione-Annadel State Park?

Trione-Annadel State Park offers a variety of trails suitable for families. This guide features 12 family-friendly hiking routes, ranging from easy strolls to more moderate adventures, ensuring there's something for every family's pace and preference.

What are some easy loop trails suitable for families with younger children?

For an easy and engaging loop, consider the Channel, North Burma, and Warren Richardson Loop. This route is approximately 5.7 km long with moderate elevation gain, offering a pleasant experience for families. The park's extensive network allows for many shorter, customizable loops as well.

What kind of natural features and landmarks can we expect to see on family hikes?

Trione-Annadel State Park is rich in natural beauty. Many trails lead to Lake Ilsanjo, a central attraction perfect for scenic views and wildlife spotting. You'll also encounter diverse ecosystems including oak woodlands, grasslands, and unique volcanic rock formations. Seasonal streams and vibrant wildflower displays in spring add to the park's charm.

Is Trione-Annadel State Park dog-friendly for family hikes?

Yes, Trione-Annadel State Park is generally dog-friendly, but dogs must be kept on a leash at all times. It's always a good idea to check the latest park regulations on the official California State Parks website before your visit to ensure a smooth outing with your furry family member. You can find more information at parks.ca.gov.

What is the best time of year to go hiking with family in Trione-Annadel State Park?

The park is beautiful year-round, but spring (April and May) is particularly special for families due to the spectacular wildflower displays. Winter months offer rushing creeks and seasonal waterfalls after rainfall. Fall brings pleasant temperatures and changing foliage. Summers can be warm, so early morning or late afternoon hikes are recommended.

Are there any trails that offer scenic views for families?

Absolutely! Many trails in Trione-Annadel State Park offer wonderful scenic views. The varied terrain, from open grassy hillsides to dense woodlands, provides numerous vantage points. Trails around Lake Ilsanjo are particularly picturesque, offering serene lakeside vistas.

How long do family-friendly hikes in Trione-Annadel State Park typically take?

Hike durations vary depending on the route and your family's pace. For example, the easy Channel, North Burma, and Warren Richardson Loop can take around 1.5 to 2 hours. Longer, moderate routes like the Canyon, Rough Go and Cobblestone Loop, which is about 12.3 km, might take 3 to 4 hours, allowing for breaks and exploration.

What wildlife might we spot on the trails?

The park's diverse habitats support a variety of wildlife. Families often spot black-tailed deer, western gray squirrels, and various bird species. Keep an eye out for coyotes, raccoons, and occasionally bobcats. The seasonal Ledson Marsh provides habitat for the rare California red-legged frog.

What do other hikers enjoy most about family hiking in Trione-Annadel State Park?

The area is highly rated by the komoot community, with an average score of 4.8 stars. Reviewers often praise the well-maintained trails, the peaceful atmosphere of the oak woodlands, and the beautiful scenery around Lake Ilsanjo, making it an ideal spot for a family outdoor adventure.

Are there any less crowded family-friendly options in the park?

While popular, Trione-Annadel State Park's extensive trail network allows for finding quieter spots. Exploring some of the less-trafficked sections of trails, or visiting during off-peak hours (weekdays, early mornings), can help you enjoy a more serene family experience. The Warren Richardson Trail, for instance, offers a lovely experience.

Where can we find parking for family-friendly trails?

Trione-Annadel State Park has several parking areas. The main entrance off Channel Drive in Santa Rosa provides access to many popular trailheads. There are also other access points around the park's perimeter. Always check for any parking fees or specific regulations upon arrival.

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