Mosier Twin Tunnels loop from Koberg Beach State Recreation Site

If you're looking for a truly scenic and accessible touring bicycle ride through the Columbia River Gorge, the Mosier Twin Tunnels loop from Koberg Beach State Recreation Site is an excellent choice. This easy 5.7-mile (9.1 km) route, with a gentle 447 feet (136 metres) of elevation gain, can be completed in about 37 minutes, making it a perfect high-payoff option for cyclists of all levels seeking stunning views without a strenuous climb.

What to expect on Mosier Twin Tunnels loop from Koberg Beach State Recreation Site

This route offers a delightful journey along the Historic Columbia River Highway State Trail, transitioning from shaded fir trees to dramatic scablands and eventually opening up to semi-arid terrain dotted with ponderosa pines near Mosier. You'll be treated to spectacular views of the Columbia River, including landmarks like Coyote Wall and Eighteen Mile Island, as you cycle. The highlight is undoubtedly the historic Mosier Twin Tunnels, restored with unique windows that frame the Gorge. The paved pathway is wide and smooth, with grades typically up to 5%, making it suitable for touring bikes and a relaxed pace.

Planning your visit

Starting your ride from Koberg Beach State Recreation Site provides convenient access to this popular cycling trail. The trail is largely car-free, offering a peaceful experience. Restrooms and picnic tables are available at trailheads, including more developed facilities at the Mark O. Hatfield West Trailhead in Hood River. This route is universally accessible in the Twin Tunnels segment, and while specific parking details for Koberg Beach are not provided, it serves as a viable starting point for this loop.

Trail details

• Distance: 5.7 miles (9.1 km)
• Elevation gain: 447 feet (136 metres)
• Difficulty: easy
• Estimated time: 37 minutes