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United States
Washington
San Juan County

Turn Island Marine State Park

The best running trails in Turn Island Marine State Park

53

runners

5

runs

Jogging in Turn Island Marine State Park offers routes through diverse landscapes, including lush forests, rocky beaches, and pebble beaches. This marine park, located in the San Juan Islands, features trails that provide views of the Salish Sea and distant mountains. The island's perimeter trail offers 360-degree scenic vistas, making it suitable for varied running experiences.

Best jogging routes in Turn Island Marine State Park

  • The most popular jogging route is Friday Harbor loop from San Juan, a 9.2…

Last updated: October 7, 2026

16

runners

#1.

Friday Harbor loop from San Juan

14.8km

01:34

190m

190m

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

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Popular around Turn Island Marine State Park

Road Cycling Routes in Turn Island Marine State Park

Cycling in Turn Island Marine State Park

Hiking in Turn Island Marine State Park

Frequently Asked Questions

How do I access Turn Island Marine State Park for running?

Turn Island Marine State Park is unique because it's only accessible by boat. This ensures a peaceful and secluded experience for runners. You'll need to arrange private boat transport or a water taxi from nearby islands like San Juan Island.

Are there many running routes available in Turn Island Marine State Park?

While the island itself is small, offering a scenic 0.9-mile loop trail through the forest and a perimeter trail with sea views, komoot also features 5 moderate running routes that explore the surrounding areas and nearby islands, such as the Friday Harbor loop from San Juan.

What kind of terrain can I expect on the running trails?

Runners on Turn Island can enjoy a diverse landscape, including lush forest paths, rocky beaches, and pebble beaches. The trails offer a mix of environments, providing varied terrain for exploration and scenic views of the Salish Sea.

What is the difficulty level of the running routes in this area?

All 5 running routes featured on komoot for this region are rated as moderate difficulty. This means they are suitable for runners with some experience, offering a good balance of challenge and enjoyment. For example, the False Bay Marine Preserve loop from False Bay Creek Preserve covers about 11 km with around 100 meters of elevation gain.

Can I bring my dog on the running trails in Turn Island Marine State Park?

No, dogs are unfortunately not allowed on Turn Island. As part of the San Juan Islands National Wildlife Refuge, the park maintains a strict policy to protect its natural wildlife and sensitive ecosystems.

Are there any permits or fees required to visit Turn Island Marine State Park?

As a Washington State Park, a Discover Pass is typically required for vehicle access to state parks. However, since Turn Island is boat-access only, you should check the official Washington State Parks website for specific regulations regarding boat-in access and any associated fees. You can find more information at parks.wa.gov.

What is the best time of year to go running in Turn Island Marine State Park?

The park is beautiful year-round, but the best season for running is generally spring through early fall (May to September) when the weather is milder and drier. This allows for optimal enjoyment of the trails and the stunning sea and mountain views.

Are there any family-friendly running options?

While the island's trails are generally accessible, the boat-only access might require extra planning for families with very young children. The 0.9-mile loop trail on the island is relatively short and manageable for a family walk or light jog. For longer, moderate runs, routes like the Friday Harbor loop from Friday Harbor (5.4 km) could be suitable for active families.

What kind of wildlife might I see while running?

Turn Island is part of the San Juan Islands National Wildlife Refuge, making it an excellent spot for wildlife viewing. Runners might spot various bird species, and it's a prime location to observe marine life such as harbor seals and their pups along the shorelines.

Are there any loop running trails in the area?

Yes, Turn Island itself features a notable 0.9-mile loop trail that winds through a lush forest, and a perimeter trail that encircles the island. Additionally, many of the komoot routes in the surrounding area are designed as loops, such as the Friday Harbor loop from Friday Harbor Airport, offering convenient circular running experiences.

What are some scenic viewpoints along the running routes?

The trails on Turn Island offer captivating sea views and mountain vistas, especially from the perimeter trail. The island's position is also known for spectacular sunset views. Many of the running routes in the broader region, like those around Friday Harbor, also provide picturesque coastal scenery.

Most popular routes in Turn Island Marine State Park

Road Cycling Routes in Turn Island Marine State Park

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Browse the best Running Trails & Routes in other regions.

Moran State ParkClark Island Marine State ParkJames Island Marine State ParkFriday HarborSan Juan WildernessJones Island Marine State ParkRoche HarborSan Juan Island National Historical ParkEnglish Camp - San Juan Island National Historical ParkSucia Island Marine State ParkSan Juan Islands National Wildlife Refuge

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