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Mountain biking trails

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa North

Routes

Mountain biking trails

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa North

Hard

4.6

(2412)

11,172

riders

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa North

03:39

46.8km

550m

Mountain biking

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.

Last updated: August 3, 2026

Tips

Includes a segment in which cycling is not permitted

After 37.2 km for 52 m

Waypoints

Start point

Train Station

Get Directions

10.3 km

Canyon Trail, Annadel State Park

Highlight (Segment) • Trail

Mostly gradual fireroad trail leading from the Santa Rosa Reservoir in Spring Lake Park to Lake Ilsanjo in the middle of Annadel State Park.
The first couple of miles are …

Tip by

16.2 km

Lake Ilsanjo

Highlight • Lake

Very pretty lake in the middle of Annadel State Park, great for a swim on a hot day. Access is best from Lake Trail with a small beach on the north-west side.

Tip by

16.4 km

Lake Ilsanjo

Highlight • Lake

Lake Ilsanjo is a small quiet lake near the top of Canyon trail. A hidden gem for a break or a swim. It is much quieter than Santa Rosa Reservoir …

Tip by

18.4 km

Warren Richardson Trail

Highlight (Segment) • Trail

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 …

Tip by

18.6 km

North Burma Trailhead at Warren Richardson

Highlight • Trail

Get off the wide forest road onto the quieter hiking trails

Tip by

30.0 km

Ridge Trail

Highlight • 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.

Tip by

33.3 km

Bobcat / Belly Button Trailhead

Highlight • Trail

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

Tip by

35.4 km

Canyon Trail east

Highlight (Segment) • Trail

Gentle eastern slope of Canyon trail, a mostly smooth gravel fire road hugging the west side of Annadel State Park with a few rocky sections. It proceeds to climb into the hilly parts of the park, bikeable with most bikes.

Tip by

46.8 km

End point

Train Station

Way Types & Surfaces

Way Types

15.2 km

12.1 km

10.4 km

7.99 km

607 m

446 m

Surfaces

11.0 km

10.8 km

10.3 km

8.67 km

4.30 km

1.72 km

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (430 m)

Lowest point (40 m)

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa North

Canyon Trail, Annadel State Park

Lake Ilsanjo

Lake Ilsanjo

Warren Richardson Trail

North Burma Trailhead at Warren Richardson

Ridge Trail

Bobcat / Belly Button Trailhead

Canyon Trail east

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