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Lake Sonoma South Lake Trail route map
Difficulty: ExpertOut and Back
California

Lake Sonoma South Lake Trail

Geyserville, California

19.2 mi

Distance

8,297 ft

Elev. Gain

8h 31m

Est. Time

Out & Back

Route Type

Expert

Difficulty

About This Trail

Lake Sonoma South Lake Trail is an out-and-back trail in Sonoma County, California. It is 19 miles long. The nearest town is Geyserville, California, about 5 miles away in a straight line.

From the trail data on this page.

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

No recent condition reports. Be the first to share what you see on the trail.

Elevation Profile

Min:148 ft
Max:293 ft
Gain:2,529 ft
Loss:2,529 ft
Elevation profileA line rising and falling between 148 ft and 293 ft across 19.1 mi along the route, drawn from start to end.148 ft196 ft245 ft293 ft0.0 mi4.8 mi9.6 mi14.4 mi19.1 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi287 ft
High point0.2 mi293 ft
End19.1 mi287 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Verify before you go

Where it is

Nearest town:
Geyserville, CA · about 5 mi away
County:
Sonoma County, CA

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

Nearby Trails

More trails near Lake Sonoma South Lake Trail

Island View Group Camp spur

0.2 mi
Trail

Bummer Peak (summit)

0.1 mi
TrailDifficulty: Easy

Lone Pine Camp spur

0.2 mi
Trail
Lake Sonoma South Lake Trail from Skaggs Springs

Lake Sonoma South Lake Trail from Skaggs Springs

5.8 mi
TrailDifficulty: Difficult

South Lake Trail

11.1 mi
TrailDifficulty: Expert
South Lake Trail to Skaggs Springs Vista

South Lake Trail to Skaggs Springs Vista

0.5 mi
TrailDifficulty: Moderate

Stay nearby

Campgrounds near this trail

More campgrounds

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Spot an error in our data on Lake Sonoma South Lake Trail?