4.7
(33)
855
riders
78
rides
Road cycling in Trione-Annadel State Park offers routes through a landscape characterized by hilly terrain, open grassy hillsides, and dense oak woodlands. The park features diverse ecosystems, including meadows and volcanic rock formations, providing varied scenery for cyclists. While some areas are known for technical mountain biking, certain routes offer mostly well-paved surfaces suitable for road cycling. Elevation changes are present across the trail network.
Last updated: May 21, 2026
5
riders
31.4km
01:44
300m
300m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
13
riders
58.3km
02:45
400m
400m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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7
riders
16.5km
01:18
130m
130m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
3.5
(2)
47
riders
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
18
riders
38.0km
01:41
200m
200m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Trione-Annadel State Park
Ernie Smith Community Park is a beautiful green space in Sonoma. There is a playground, ball field, picnic area and large field.
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Sonoma State Historic Park is a collection of 6 historic sites around Sonoma Plaza. The sites directly off the Sonoma Plaza are Mission San Francisco Solano, the Blue Wing Inn, Sonoma Barracks, the Toscano Hotel & Kitchen, and the Servants Quarters.
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Sonoma Plaza is the main square in the center of Sonoma. Along with City Hall, there are several shops and restaurants in the plaza.
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Well maintained paved trail that runs along the border of the reservoir. The trail is popular with walkers, runners, and cyclists, so make sure to be respectful to other trail users!
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The Santa Rosa Creek Reservoir is a popular outdoor destination in Santa Rosa. The reservoir was created by a nearby dam.
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Explore Sonoma State Historic Park, where history comes alive across six significant sites: Mission San Francisco Solano, Sonoma Barracks, Blue Wing Inn, La Casa Grande, Lachryma Montis, and Toscano Hotel. Established in 1909, starting with the mission, the park expanded to include locations tied to Mariano Guadalupe Vallejo. Ride through town to visit these landmarks and immerse yourself in California's rich history.
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Good sandwiches and a quiet set of picnic tables behind the store.
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Beautiful scenery, lots of vineyards, and a number of the roads are newly paved. Not long ago you could lose a filling on some of these roads.
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Trione-Annadel State Park offers a wide selection of road cycling routes, with over 70 different tours available. These routes cater to various skill levels, including easy, moderate, and challenging options.
The park's road cycling routes feature diverse terrain, including hilly sections, open grassy hillsides, and dense oak woodlands. While some areas are known for technical mountain biking, many routes offer mostly well-paved surfaces suitable for road cycling. You'll encounter varied ecosystems, meadows, and volcanic rock formations.
Yes, Trione-Annadel State Park includes routes with significant elevation changes and moderate difficulty. For example, the Santa Rosa Creek Reservoir loop from Montgomery Village covers over 46 km with substantial elevation gain, offering a more demanding experience.
While cycling, you can experience diverse natural beauty. The park is known for its undisturbed northern oak woodlands, seasonal streams, and impressive waterfalls during the rainy winter months. You might also pass by Lake Ilsanjo, a 26-acre man-made lake, and Ledson Marsh, a seasonal wetland. Keep an eye out for vibrant wildflower displays from early spring into early summer, particularly around Lake Ilsanjo.
The park offers year-round cycling opportunities. However, for the best experience, consider visiting from early spring into early summer to witness vibrant wildflower displays. The rainy winter months bring seasonal streams and waterfalls to life. Always check local weather conditions before heading out.
Yes, parking is generally available at various access points to the park. For specific trailhead parking information, it's advisable to check the official park website or detailed route descriptions on komoot.
Generally, no special permits are required for road cycling on designated multi-use trails and fire roads within Trione-Annadel State Park. However, e-bikes are not permitted. For the most current regulations, it's always best to consult the official California State Parks website for Trione-Annadel State Park: parks.ca.gov.
Yes, the park offers routes suitable for families. For instance, the Santa Rosa Creek Trail – Prince Greenway Park loop from Montgomery Village is an easy 24.1-mile (38.8 km) trail that winds through urban greenways and natural corridors, making it a good option for a family outing.
Route lengths vary significantly. You can find shorter routes like the Swimming Beach – Santa Rosa Swimming Lagoon loop from Spring Lake Park, which is about 18.5 km (11.5 miles), up to longer tours such as the Santa Rosa Creek Reservoir loop from Montgomery Village, which extends to over 46 km.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 30 reviews. Cyclists often praise the varied terrain, the scenic oak woodlands, and the mix of easy to moderate paths that provide options for different ability levels. The presence of natural features like Lake Ilsanjo and the overall natural beauty are frequently highlighted.
Yes, many of the road cycling routes in Trione-Annadel State Park are designed as loops, offering a continuous journey without retracing your path. Examples include the Swimming Beach – Santa Rosa Swimming Lagoon loop and the Prince Greenway Park loop.
While Trione-Annadel State Park itself is a natural preserve, its proximity to Santa Rosa means that amenities like cafes, restaurants, and accommodations are readily available in nearby urban areas. Routes often start or pass close to areas like Spring Lake Park or Montgomery Village, which offer access to such facilities.


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