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United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Warren Richardson Trail loop from Montgomery Village

Routes
Mountain biking trails
United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Warren Richardson Trail loop from Montgomery Village

Moderate

2.6

(16)

68

riders

Lake Ilsanjo – Warren Richardson Trail loop from Montgomery Village

02:24

32.8km

380m

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: October 28, 2026

Tips

Includes a segment in which cycling is not permitted

After 13.0 km for 170 m

Waypoints

A

Start point

Bus stop

Get Directions
1

5.93 km

Bobcat / Belly Button Trailhead

Highlight • Trail

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

Tip by

2

7.36 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

3

7.58 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

4

8.77 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

5

9.02 km

Get off the wide forest road onto the quieter hiking trails

Tip by

6

10.2 km

Water Tank Trail

Highlight • Trail

Short, useful connector trail

Tip by

7

28.3 km

Large state park east of Santa Rosa, with a nice paved park road hugging a half circle around the park's north side. It connects with gravel fire roads like Canyon …

Tip by

8

30.4 km

Paved trail around reservoir

Highlight • Trail

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!

Tip by

B

32.8 km

End point

Bus stop

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Way Types & Surfaces

Way Types

15.1 km

8.46 km

4.80 km

4.24 km

148 m

Surfaces

16.9 km

5.57 km

4.24 km

2.75 km

1.97 km

1.33 km

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Elevation

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

Highest point (290 m)

Lowest point (70 m)

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Weather

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Saturday 31 October

17°C

7°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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