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Mountain biking trails

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa Downtown

Routes

Mountain biking trails

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa Downtown

Moderate

3.1

(15)

riders

Lake Ilsanjo – Warren Richardson Trail loop from Santa Rosa Downtown

02:09

29.3km

310m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: March 18, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 114 m for 100 m

Customers only

Waypoints

Start point

Train Station

Get Directions

7.13 km

Spring Lake Park

Highlight • Lake

Popular park east of town with a lake good for water sports and an adjacent lagoon for swimming

Tip by

7.46 km

Spring Lake Park

Highlight • Lake

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

Tip by

13.0 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

13.2 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

14.4 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

15.6 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

29.3 km

End point

Train Station

Way Types & Surfaces

Way Types

11.8 km

9.68 km

2.84 km

2.43 km

1.41 km

1.14 km

Surfaces

12.0 km

8.22 km

3.65 km

3.14 km

1.27 km

1.11 km

Elevation

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

Highest point (290 m)

Lowest point (50 m)

Weather

Tuesday 19 May

32°C

12°C

-- %

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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 Downtown

Spring Lake Park

Spring Lake Park

Lake Ilsanjo

Lake Ilsanjo

Warren Richardson Trail

Canyon Trail, Annadel State Park

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