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Routes
Mountain biking trails
United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

Routes
Mountain biking trails
United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

Moderate

5.0

(5092)

19,989

riders

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

01:10

13.5km

190m

Mountain biking

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary. The starting point of the route is right next to a parking lot.

Last updated: May 27, 2026

Tips

Includes a segment in which cycling is not permitted

After 943 m for 79 m

Waypoints

A

Start point

Parking

Get Directions

1

983 m

Swimming Beach

Highlight • Beach

Great free swimming beach (if you walk or bike into Spring Lake Park).
Pleasant beach cafe and snack shack.
Given the number of geese and kids the water quality is probably better early in the season.

Tip by

2

5.46 km

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

Tip by

3

6.89 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

4

7.11 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

5

7.66 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

B

13.5 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

10.0 km

2.08 km

854 m

511 m

Surfaces

8.31 km

1.87 km

1.87 km

946 m

442 m

< 100 m

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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 (240 m)

Lowest point (80 m)

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Weather

Powered by Foreca

Sunday 19 July

27°C

10°C

0 %

Additional weather tips

Max wind speed: 9.0 km/h

to get more detailed weather forecasts along your route

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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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