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Lightning and Duff Springs via South Side Trail route map
Difficulty: ExpertOut and Back

Lightning and Duff Springs via South Side Trail

Tonasket, Washington

18.5 mi

Distance

4,806 ft

Elev. Gain

8h 7m

Est. Time

Out & Back

Route Type

Expert

Difficulty

About This Trail

We don't publish a description for Lightning and Duff Springs via South Side Trail unless we can point you at the agency it came from. We don't have one yet. The planning figures above — distance, elevation gain, estimated time, route type — come from the source listed on this trail.

United States Forest Service manages this trail and is the authority for conditions, closures and route notes. See official sources below. Spot something we should add?

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.

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Elevation Profile

Min:1,393 ft
Max:1,917 ft
Gain:1,465 ft
Loss:1,465 ft
Elevation profileA line rising and falling between 1,393 ft and 1,917 ft across 18.4 mi along the route, drawn from start to end.1,393 ft1,568 ft1,742 ft1,917 ft0.0 mi4.6 mi9.2 mi13.8 mi18.4 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,554 ft
High point5.4 mi1,917 ft
End18.4 mi1,554 ft

Trail Details

Route Type
Out & Back

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

Nearest town:
Tonasket, WA · about 12 mi away
County:
Okanogan County, WA
Jurisdiction:
Okanogan National Forest · United States Forest Service

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?

Reviews

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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.

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