5.0
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230
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8
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Road cycling routes in Moran State Park traverse a diverse landscape on Orcas Island, characterized by dense forests, freshwater lakes, and significant elevation changes. The park's terrain includes challenging ascents, notably the paved road to the summit of Mount Constitution, which features steep inclines and switchbacks. This environment offers varied road cycling experiences, from moderate loops to difficult climbs.
Last updated: June 29, 2026
29
riders
16.6km
01:15
600m
600m
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.
15
riders
44.3km
03:03
1,140m
1,140m
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.

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28
riders
36.5km
01:47
500m
500m
This road cycling loop from Eastsound takes you on a scenic tour around Massacre Bay and Crescent Beach Preserve, showcasing the diverse beauty of Orcas Island. You'll pedal through varied landscapes, from dense Douglas-fir forests to open fields and coastal stretches with views across Ship Bay. The route is characterized by constant undulations and sustained climbs, offering a rewarding challenge for cyclists who appreciate a good workout amidst stunning natural backdrops.
Starting and ending in Eastsound, the island's main hub, this 22.7-mile (36.5 km) route involves 1644 feet (501 metres) of elevation gain, typically taking around 1 hour and 47 minutes to complete. While Eastsound provides amenities like bike shops and places to refuel, be aware that many roads on Orcas Island have limited shoulders. Plan your ride for times when traffic might be lighter, and always be vigilant.
Orcas Island is renowned for its challenging, hilly terrain, making this a moderate route best suited for experienced riders. The island's horseshoe shape contributes to its varied geography, moving from coastal areas to inland forests and wetlands, which are home to diverse wildlife. This loop offers a fantastic way to experience the island's natural charm and its reputation for challenging cycling.
7
riders
35.7km
02:02
610m
610m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
33
riders
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Moran State Park
Located on Orcas Island, Flahertys Pond is a tiny yet enjoyable pond to pass on your hike or ride in the area.
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Fowler Pond is a reservoir visible from Orcas Road. The pond is frequented by various bird species, including the Sharp-shinned Hawk, Barred Owl, and Bald Eagle.
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Massacre Bay is a beautiful bay with a dark history. The name originates from the 1858 massacre, when the Lummi were attacked and killed by Haida while out fishing. This is also how Skull Island and Victim Island got their names.
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The Deer Harbor Waterfront Preserve, spanning 2 acres, safeguards 650 feet of marine shoreline and tidelands. The preserve has enough parking for 4-5 vehicles. The area has been protected through contributions from members of the Deer Harbor community.
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Ayer Reservoir lies tucked away in the forested interior of Orcas Island, offering a serene escape from the busier coastal areas.
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Carved millennia ago by glaciers, Killebrew Lake nestles amidst rolling hills and verdant forests, offering stunning vistas. Its calm waters reflect the sky, creating a picture-perfect landscape.
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Head to the overlook and be captivated by the stunning vista of Deer Harbor, with lush islands dotting the turquoise waters. Breathe in the fresh sea air and feel the island breeze on your face.
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Moran State Park offers a range of road cycling experiences, from moderate loops to difficult climbs. The park is known for its challenging ascents, particularly the paved road to the summit of Mount Constitution, which features steep inclines up to a 15 percent grade. Routes like the Doe Bay Beach – Lieber Haven Resort & Marina loop are classified as difficult, requiring substantial endurance. However, there are also moderate options available for those seeking a less strenuous ride.
Yes, Moran State Park does offer easier road cycling options. For instance, the Fowler Pond – Eastsound Waterfront Park loop from Dolphin is an easy route, making it suitable for beginners or families looking for a more relaxed ride. While the park is known for its challenging terrain, there are routes designed to accommodate different fitness levels.
Road cycling in Moran State Park offers access to stunning natural features and panoramic viewpoints. The most prominent is the summit of Mount Constitution, where an observation tower provides breathtaking views of the San Juan Islands, the Salish Sea, and distant mountain ranges. You can also pass by serene freshwater lakes like Mountain Lake and Cascade Lake, and potentially spot the naturally framed Cascade Falls.
Yes, road cyclists can absolutely cycle to the summit of Mount Constitution. This iconic ascent is a primary draw for cyclists, featuring a paved road with steep inclines and switchbacks. It's a challenging but rewarding climb to the highest point in the San Juan Islands, offering unparalleled panoramic views from the historic observation tower. A popular route that includes this climb is the Summit Lake – Mount Constitution loop from Orcas Island.
The best time for road cycling in Moran State Park is generally during the spring, summer, and early fall months. During these periods, the weather is typically milder and drier, offering more pleasant riding conditions. It's always advisable to check local weather forecasts before heading out, as conditions can change, especially at higher elevations like Mount Constitution.
Yes, Moran State Park features several excellent circular road cycling routes. These loops allow you to experience diverse landscapes without retracing your path. Examples include the Summit Lake – Mount Constitution loop from Orcas Island, the Doe Bay Beach – Lieber Haven Resort & Marina loop from Moran State Park, and the Fowler Pond – Eastsound Waterfront Park loop from Osprey Hill.
Moran State Park offers various parking areas for visitors. For cyclists, it's recommended to check the park's official map or website for designated parking lots that provide convenient access to the road cycling routes. Some routes may start from specific points like Orcas Island or Osprey Hill, where parking facilities are available. For detailed information on parking, you can consult the official Moran State Park brochure: Moran State Park Brochure.
Yes, a Discover Pass is required for vehicle access to Washington State Parks, including Moran State Park. This pass supports the maintenance and operation of state recreation lands. You can purchase a Discover Pass online, at park offices, or from retail vendors. For more details on the Discover Pass and park regulations, please visit the official Washington State Parks website: Moran State Park Official Page.
Dogs are generally allowed in Moran State Park, including on roads and in developed areas, but they must be kept on a leash no longer than eight feet. While they can accompany you on road cycling routes, it's important to be mindful of other cyclists and park visitors. Always clean up after your pet. Note that some specific trails within the park may have restrictions for dogs, so always check signage.
Moran State Park and the surrounding Orcas Island area offer various amenities. Within the park, there are picnic shelters and camping opportunities. Nearby towns like Eastsound provide a range of services, including cafes, restaurants, and accommodation options. After a challenging ride, you can find places to refuel and relax. For more information on local services, you might find resources on the Visit San Juans website helpful: Visit San Juans - Moran State Park.
The road cycling routes in Moran State Park vary significantly in length to accommodate different preferences and fitness levels. You can find shorter loops, such as the Summit Lake – Mount Constitution loop, which is about 8.8 miles (14.2 km). Longer and more challenging routes, like the Doe Bay Beach – Lieber Haven Resort & Marina loop, extend to approximately 28.3 miles (45.5 km).
Road cycling in Moran State Park offers a unique blend of challenging climbs, stunning panoramic views, and rides through diverse natural landscapes. The iconic ascent to Mount Constitution provides a significant test of endurance and rewards cyclists with breathtaking vistas. Beyond the summit, routes wind through ancient forests, past pristine freshwater lakes, and offer glimpses of the Salish Sea, creating a truly memorable experience within the San Juan Islands.


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