4.8
(35)
443
riders
28
rides
Mountain biking in Trione-Annadel State Park offers a network of trails through oak woodlands, open grasslands, and around Lake Ilsanjo. The park features rolling hills and varied terrain, providing diverse riding experiences. Riders can expect a mix of singletrack and wider paths, with some sections presenting technical challenges. The landscape is characterized by its natural, undeveloped feel, with elevation changes throughout.
Last updated: October 24, 2026
4.0
(4)
47
riders
This 16.1-mile mountain biking loop in Trione-Annadel State Park offers a moderate challenge through diverse forests, meadows, and past Lake
4.8
(9)
115
riders
29.4km
02:42
550m
550m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

5.0
(1)
24
riders
19.9km
01:38
260m
260m
Moderate mountain bike ride. Advanced riding skills necessary.
5.0
(1)
17
riders
9.13km
00:51
170m
170m
Moderate mountain bike ride. Advanced riding skills necessary.
6
riders
23.3km
02:06
500m
500m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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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!
0
0
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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0
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.
1
0
Trail around the southern perimeter of Annadel State Park to Bennet Mountain
0
0
Leafy park along the west shore of the large Santa Rosa Creek Reservoir, with good running trails around the water and through the meadows and shaded groves
1
0
Get off the wide forest road onto the quieter hiking trails
1
0
Popular park east of town with a lake good for water sports and an adjacent lagoon for swimming
1
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Trione-Annadel State Park offers a network of over 25 mountain bike trails, ranging from moderate to difficult, providing diverse riding experiences through oak woodlands and grasslands.
While most trails are moderate to difficult, there is at least one easy mountain bike route available. Riders new to the sport or looking for a less strenuous ride should check trail descriptions carefully.
Advanced mountain bikers will find plenty of challenging options, with 8 difficult routes featuring significant climbs and technical sections. Trails like the Ridge Trail loop from Lawndale offer demanding terrain and elevation changes.
For families with some mountain biking experience, some of the moderate trails can be enjoyable. However, given the park's general terrain, it's advisable to review trail difficulty and length to ensure it suits all family members. There is one easy route, but most are moderate to difficult.
No specific permits are required for mountain biking within Trione-Annadel State Park, beyond standard park entrance fees if applicable. Always check the official park website for the most current regulations before your visit.
Parking is available at various access points to Trione-Annadel State Park. Popular starting points often include areas near Spring Lake Park or Lawndale, which provide direct access to the trail network.
The best time to mountain bike is typically during the spring and fall when temperatures are mild and the landscape is vibrant. Summers can be hot, and winter months may bring rain, affecting trail conditions. Always check local weather and trail conditions before heading out.
Yes, many of the mountain bike routes in Trione-Annadel State Park are designed as loops, allowing for varied scenery without retracing your path. Examples include the popular Cobblestone, Canyon, Marsh, Ridge, South Burma, & Warren Richardson Trails loop and the Ridge Trail – Warren Richardson Trail loop from Spring Lake Park.
Along the trails, you can experience diverse landscapes including oak woodlands, open grasslands, and views of Lake Ilsanjo. Key trails like Warren Richardson Trail, Canyon Trail, and Ridge Trail offer scenic riding through the park's natural beauty.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 30 reviews. Riders often praise the park's natural, undeveloped feel, the varied terrain, and the extensive network of trails that cater to different skill levels.
Trione-Annadel State Park is located near Santa Rosa, which offers a variety of cafes, restaurants, and bike shops where cyclists can refuel and find supplies. It's recommended to plan your stops in Santa Rosa before or after your ride, as amenities are limited within the park itself.
It's essential to bring plenty of water, especially on longer rides or during warmer months, as well as snacks, a helmet, appropriate safety gear, and a basic bike repair kit. Sunscreen and layers of clothing are also recommended due to varying temperatures and sun exposure.


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