Greenwater · Pierce County · WA
Avalanche Basin Traverse is a 0.3-mile expert trail near Greenwater, in Pierce County, WA. It climbs 140 ft and descends 240 ft, between 6,517 ft and a high point of 6,675 ft. Mapped for winter sports.
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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.