Summit Lake – Mount Constitution loop from Little Summit

If you're looking for a challenging and incredibly rewarding road cycling experience on Orcas Island, the Summit Lake – Mount Constitution loop from Little Summit is definitely worth your time. This route, designed for racebikes, covers 10.3 miles (16.6 km) with a significant 1961 feet (598 metres) of elevation gain, typically taking around 1 hour and 14 minutes for a moderate-paced ride. It's a fantastic option for confident cyclists eager to conquer a substantial climb and be rewarded with unparalleled views.

What to expect on Summit Lake – Mount Constitution loop from Little Summit

This route primarily utilizes the paved Mount Constitution Road, offering a sustained and challenging ascent through Moran State Park. As you climb, you'll wind through old-growth forests and open meadows. From Little Summit, you'll already be treated to easterly views of Mount Baker and Mount Rainier, along with the snowy peaks of the Olympic Mountains to the southwest. The real payoff comes at the summit of Mount Constitution, where the historic stone observation tower provides breathtaking 360-degree panoramic views of the San Juan archipelago, the Salish Sea, Lummi Island, and even Vancouver on clear days. This is a demanding ride, best suited for cyclists who enjoy a good climb and are prepared for significant elevation gain.

Planning your visit

The Mount Constitution Road is generally accessible, but it's important to note that certain service roads or trails within Moran State Park may have seasonal closures to bicycles, such as from May 15th to September 15th for a service road connecting to the Mount Pickett service road. Always confirm current regulations with Moran State Park directly before you go. Parking is available at the Little Summit area, providing a convenient starting point for this loop.

Trail details

• Distance: 10.3 miles (16.6 km)
• Elevation gain: 1961 feet (598 metres)
• Difficulty: moderate
• Estimated time: 1 hours and 14 minutes