The best walks and hikes in Clark Island Marine State Park

Clark Island Marine State Park is accessible only by boat. It's a popular destination for kayakers and those with private boats exploring the San Juan Islands. There are no public ferries that go directly to the island.

Yes, dogs are permitted in Clark Island Marine State Park, but they must be kept on a leash at all times. This includes on the trails, beaches, and in the camping areas. Please be sure to clean up after your pet to help preserve the park's natural environment.

The trails on Clark Island are best described as short, informal paths that wind through the island's 55-acre forested interior. They are not strenuous and are suitable for all fitness levels, focusing more on quiet immersion in nature than a challenging trek. You can easily explore the entire island's trail system in a short amount of time.

The paths on Clark Island itself are very easy and perfect for families. For a different experience on nearby Orcas Island, the Mountain Lake loop — Moran State Park is an excellent choice. It's a relatively flat trail that follows the shoreline of a scenic lake.

Yes, camping is a key feature of the park. There are 15 primitive campsites available on a first-come, first-served basis. Facilities are basic, including picnic tables and vault toilets, offering a rustic, boat-in camping experience. For more details on fees and regulations, you can check the official Washington State Parks page.

The routes in this region are highly rated by the komoot community, with an average score of 5.0 stars. Hikers often praise the unique combination of coastal scenery and peaceful forest walks. The seclusion of Clark Island itself is a frequently mentioned highlight.

While Clark Island doesn't have waterfalls, you can find them on nearby Orcas Island. The Cascade Falls loop from Moran State Park is a beautiful walk that leads to the area's namesake falls, offering a refreshing contrast to the coastal trails.

Since the island is remote, you must be self-sufficient. Be sure to pack plenty of water and food, as there are no services on the island. Also bring layered clothing, sun protection, and sturdy footwear for the mixed sand and gravel beaches. If you plan to explore the tide pools, water-resistant shoes are a good idea.

Absolutely. Clark Island is an ideal destination for a 'paddle and hike' adventure. The sandy beaches on the western shore are perfect for landing kayaks. After securing your boat, you can easily access the island's network of short trails for a walk through the woods before paddling on.

For a more strenuous hike with significant elevation gain, you'll need to head to nearby Orcas Island. The Two Mountains loop — Moran State Park is a moderate route that rewards hikers with expansive views after a climb through the forest.

The area is rich in wildlife. On Clark Island and in the surrounding waters, keep an eye out for marine mammals like seals, porpoises, and occasionally whales. The island is also a great spot for birdwatching. The forests on the larger islands are home to deer and a variety of woodland creatures.

Clark Island is known for its unique beaches. The western shore has long stretches of sand, which is uncommon in the San Juans, while the eastern shore is made of smooth pea gravel. You'll also find interesting conglomerate rock formations, sometimes called 'pudding stone,' along the shoreline.