National Forest Development Road 100

Winthrop · Okanogan County · WA

5.3 miDistance

1,240 ftTotal climb

1,125 ftTotal descent

3,596 ftHigh point

3,089 ftLow point

intermediateDifficulty

classic;skatingSurface

Elevation profile

National Forest Development Road 100 is a 5.3-mile intermediate trail near Winthrop, in Okanogan County, WA. It climbs 1,240 ft and descends 1,125 ft, between 3,089 ft and a high point of 3,596 ft. The surface is classic;skating. Mapped for winter sports, xc ski.

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Trail data © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP. Updated 2026-07-21. Open the interactive map for routing, weather, and offline use.