Historic Columbia River Highway and Memaloose Hills Loop

The full loop is approximately 34 kilometers (21 miles) long and generally takes around 2 hours and 20 minutes of active cycling time. This duration doesn't include stops for sightseeing, breaks, or any time spent hiking in the Memaloose Hills area.

The cycling portion primarily follows the Historic Columbia River Highway State Trail, which features paved, car-free sections with conservative grades, generally not exceeding 6%. You'll experience rolling hills, shaded forests, and sweeping turns. The Memaloose Hills section, however, is primarily a hiking area with unpaved, sometimes steep, and slick trails. Cyclists typically dismount and secure their bikes to explore the Memaloose Hills on foot.

This route offers continuous views of the Columbia River Gorge. Key highlights include the historic Twin Tunnels Trail, panoramic vistas from Memaloose Lookout and Columbia River Lookout, and the charming town of Mosier, Oregon. You'll also pass numerous waterfalls and experience the transition from lush forest to drier oak savannas.

Spring, particularly March and April, is highly recommended, especially if you want to experience the spectacular wildflower displays in the Memaloose Hills. The weather is generally pleasant for cycling, and the hillsides are covered in yellow balsamroot, purple lupine, and red paintbrush. Summer and early fall also offer good conditions, though it can be warmer.

Parking is available at various points along the Historic Columbia River Highway. For accessing the Memaloose Hills area, the Memaloose Overlook parking area on the Historic Columbia River Highway is a common spot where cyclists can secure their bikes before hiking.

Dogs are generally allowed on the Historic Columbia River Highway State Trail, but they must be kept on a leash. For the Memaloose Hills hiking trails, leash rules also apply. Always ensure your dog is under control and pack out any waste.

No specific permits are required for cycling or hiking this loop. While the route is within the Columbia River Gorge National Scenic Area, there are no general entrance fees for accessing the trails themselves. However, some specific parking areas or attractions along the way might have fees, so it's always good to check local signage.

While sections of the Historic Columbia River Highway State Trail are considered suitable for all skill levels due to their car-free nature and conservative grades, the overall loop is rated as 'difficult' due to its distance and nearly 600 meters (1,950 feet) of elevation gain. Some longer climbs might require good fitness, especially on a touring bike. The Memaloose Hills section is primarily for hiking and can be steep.

The Memaloose Hills are primarily known as a hiking destination, famous for their spring wildflowers. As a touring cyclist, you would typically ride the Historic Columbia River Highway and then dismount and secure your bike at a designated spot, like the Memaloose Overlook, to explore the hiking trails on foot. The hiking trails can be steep and unpaved in sections.

Yes, the route primarily follows the Historic Columbia River Highway State Trail. It also includes sections of the Mosier Plateau Trail and the Memaloose Hills Trail, offering diverse experiences within the loop.

Yes, the route passes through Mosier, Oregon, which offers opportunities for wine, cider, and beer tasting, as well as other amenities. It's a good spot to refuel or take a break.