Mount Constitution Observation Tower

The Summit Lake – Mount Constitution loop from Little Summit offers a truly spectacular road cycling adventure, primarily on the paved Mount Constitution Road. You'll climb through lush old-growth forests and open meadows, with views expanding dramatically as you ascend. From Little Summit, you can already spot Mount Baker and Mount Rainier, but the real reward is the 360-degree panorama from the historic stone observation tower at the summit, overlooking the entire San Juan archipelago and beyond.

This is a challenging 10.3-mile (16.6 km) ride with a substantial 1961 feet (598 metres) of elevation gain, typically taking around 1 hour and 14 minutes. While the main road is paved, some service roads or trails within Moran State Park may have seasonal closures to bicycles, particularly from May 15th to September 15th; always check with the park for current conditions. Parking is available at Little Summit.

Mount Constitution, the highest point in the San Juan Islands at 2,409 feet, is a highlight of Moran State Park. The area is known for its rich natural environment, offering chances to spot wildlife like deer and bald eagles. The climb to the summit is a classic for cyclists on Orcas Island, providing an iconic experience with some of the best viewpoints in the region.

This road cycling route on Orcas Island offers a truly epic journey through Moran State Park, combining lush old-growth forests with the island's highest peak. You'll wind past picturesque Cascade Lake before beginning the challenging ascent of Mount Constitution, where the scenery shifts from dense woodlands to expansive, breathtaking vistas. The highlight is undoubtedly the 360-degree panoramic view from the summit, showcasing the entire San Juan archipelago and distant mountain ranges.

Expect a difficult 27.6-mile (44.3 km) ride with a substantial 3754 feet (1144 metres) of elevation gain, taking around 3 hours and 3 minutes to complete. The paved road to Mount Constitution features sustained climbing and steep grades up to 15%, so this route is best suited for experienced cyclists with strong legs. Parking is available near Cascade Lake, and you'll want to pick a clear day to maximize those incredible summit views.

Moran State Park, where this route is located, was a gift to Washington State from shipbuilder Robert Moran, adding a layer of history to its natural beauty. The observation tower at the Mount Constitution peak, styled after ancient watchtowers, enhances the viewing experience, making the challenging climb well worth the effort. This is one of the most popular bike trails on Orcas Island for those seeking a serious workout with an unparalleled reward.