Mount St. Helens Volcanic Backroads Loop

21 Miles
Loop
Toutle River Viewpoint
Photo of route Mount St. Helens Volcanic Backroads Loop in Castle Rock, Washington, United States

Best time: May through October

A scenic drive through the foothills around Mount St. Helens, featuring volcanic vistas, forest landscapes, and winding country roads.

Start / End: Toutle River Viewpoint

Driving tips: Roads can be narrow with occasional gravel sections. Watch for wildlife, especially at dawn and dusk. Some elevation changes require careful driving.