Mosier Twin Tunnels

The Mosier Twin Tunnels, located in Mosier, Oregon, is a popular outdoor destination that offers a unique experience for hikers and bikers. This car-free section of the Historic Columbia River Highway State Trail allows visitors to walk or bike through tunnels with windows built for the original highway, providing stunning views of the Columbia River Gorge. With a distance of 9 miles round trip and an elevation gain of 430 feet, the trail is suitable for all skill levels and is family-friendly.

Originally built in 1921, the tunnels were widened in the 1930s but eventually became obsolete with the construction of a new highway. In the 1980s, the Columbia River Gorge National Scenic Area Act led to the restoration of the old highway as a hiking and biking route. Thanks to the efforts of The Trust for Public Land and the use of federal and state funds, the tunnels were excavated and refurbished, allowing visitors to enjoy this historic and scenic trail. A State Parks pass is required to park at either trailhead, and dogs must be kept on a leash.

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