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Routes
Running trails & routes
United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

Routes
Running trails & routes
United States
California
Sonoma County
Santa Rosa

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

Moderate

5.0

(5271)

13,044

runners

Lake Ilsanjo – Lake Ilsanjo loop from Spring Lake Park

01:15

10.4km

160m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 12, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.05 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

2

5.11 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

3

5.33 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

6.76 km

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

Tip by

B

10.4 km

End point

Parking

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Way Types & Surfaces

Way Types

6.06 km

2.48 km

1.81 km

Surfaces

4.28 km

2.57 km

1.66 km

1.61 km

222 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 (100 m)

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Weather

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Today

Tuesday 14 July

31°C

14°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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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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