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United States
Washington
Jefferson County

Marrowstone

The best walks and hikes around Marrowstone

By Fede from komoot

·

Updated May 10, 2026

If you've ever tried to plan hiking around Marrowstone, you know how quickly the options can feel overwhelming. With so many trails, it's hard to tell which routes are genuinely worth your time and effort, and which are just filler. That's exactly why we're here: komoot's community has mapped, walked, and reviewed these routes, so we've done the legwork to bring you a curated shortlist of the very best. We promise to save you the guesswork.

Hiking around Marrowstone is all about a captivating blend of saltwater shorelines, lush forests, and a surprising amount of history. You'll find trails winding through old-growth sections, along coastal bluffs, and past historic military installations, offering panoramic views across Admiralty Inlet to distant mountains. Most routes here are easy to moderate, perfect for a relaxed day out, though there are a few longer, more challenging options. Just remember, a Discover Pass is required to access Fort Flagler State Park, which is home to many of the island's best trails.

If you only do one hike on Marrowstone, we'd point you straight to the Fort Flagler Trail. This easy 4.3 miles (7.0 km) route is the most popular for a reason, combining forest paths with stunning shoreline sections. For a slightly longer adventure that dives deeper into the island's unique character, the moderate Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop, at 4.8 miles (7.8 km), is a local favorite, taking you through historic emplacements and along dramatic coastal bluffs. With more than 70 hikers already exploring Marrowstone with komoot, you're in good company.

If you only do 3 of these routes

  1. 1

    Fort Flagler Trail
  2. 2

    Olympic Discovery Trail
  3. 3

    Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop

Compare these routes at a glance

Trail

Distance

Elevation

Difficulty

Fort Flagler Trail

6.96 km

80 m

Easy

Olympic Discovery Trail

210 km

1,710 m

Hard

Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop

7.81 km

100 m

Moderate

Larry Scott Memorial Trail

18.8 km

110 m

Moderate

Fort Flagler State Park loop from Marrowstone Wildlife Area

6.71 km

80 m

Easy

Port Townsend – Port Townsend City Pier loop from Port Townsend

3.79 km

10 m

Easy

Fort Flagler State Park loop from Fort Flagler State Park

5.97 km

70 m

Easy

Port Townsend City Pier – Port Townsend loop from Port Townsend

4.44 km

50 m

Easy

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1.

Fort Flagler Trail

6.96km

01:52

80m

90m

Step onto the Fort Flagler Trail and immerse yourself in a unique blend of coastal beauty and historical intrigue. This easy 4.3-mile (7.0 km) route winds through diverse terrain, from shaded forest paths to open sandy beaches and dramatic bluffs. You'll be treated to sweeping views of Puget Sound and Admiralty Inlet, with distant glimpses of the Olympic and Cascade mountains, all while enjoying the fresh sea air and the chance to spot local wildlife like bald eagles.

Planning your visit to Fort Flagler State Park is straightforward, though arriving early is advisable, especially on busy days, to secure parking. The trail is accessible year-round, making it a flexible option for a day out. With only 276 feet (84 metres) of elevation gain, it's a comfortable hike that takes approximately 1 hour and 52 minutes, perfect for a leisurely outing.

What truly sets this trail apart is its rich military history. Fort Flagler was once part of the "triangle of fire" defense system, and as you hike, you'll encounter well-preserved gun batteries, searchlight bunkers, and other historic fortifications. This blend of natural scenery and historical landmarks makes the Fort Flagler Trail a distinctive and educational experience, offering more than just a walk in the park.

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2.

Olympic Discovery Trail

210km

55:02

1,710m

1,710m

The Olympic Discovery Trail offers an incredible journey across the northern Olympic Peninsula, winding through diverse landscapes from the Pacific Ocean at La Push to the Victorian seaport of Port Townsend. You'll traverse majestic Pacific Northwest forests, pass by fast-flowing rivers like the Sol Duc and Bogachiel, and enjoy stunning views of the Olympic Mountains and the Strait of Juan de Fuca. The trail's varied terrain, including sections near Lake Crescent and through the Daley Rankin Tunnel, ensures a constantly changing backdrop for your adventure.

Due to its extensive length and varied conditions, planning your visit to the Olympic Discovery Trail is key. While many sections are well-maintained and accessible, some parts feature significant climbs and uneven surfaces, particularly between Blyn and Port Angeles. The trail connects several towns like Sequim and Port Angeles, providing convenient access to amenities and resupply points. Consider tackling specific Olympic Discovery Trail routes or sections based on your fitness and time, as the full 130.3-mile (209.6 km) distance, with 5605 feet (1708 metres) of elevation gain, is a difficult undertaking that typically requires around 55 hours and 1 minute to complete.

This multi-use trail is notable for its historical significance, incorporating beautifully restored railroad trestles and highlighting the region's past, including the Elwha River Dam removal project. It offers a unique opportunity to experience the diverse ecosystems of the Olympic Peninsula, from coastal environments to forested foothills. The Olympic Discovery Trail is also integrated into the larger Great American Rail Trail, making it a significant part of a nationwide network for hikers and cyclists.

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3.

Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop

7.81km

02:06

100m

100m

The Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop offers a captivating blend of historical exploration and natural beauty within Fort Flagler State Park. You'll traverse varied terrain, from paths winding past old anti-aircraft battery remnants to coastal bluffs providing sweeping views of Port Townsend and Whidbey Island. The route then mellows out around a serene lagoon, where you can enjoy peaceful waterscapes and look for local wildlife. This moderate 4.9-mile (7.8 km) hike, with 328 feet (100 metres) of elevation gain, typically takes about 2 hours and 6 minutes to complete, making it a rewarding half-day adventure.

Planning your visit is straightforward, but remember that a Discover Pass is required for vehicle access to Fort Flagler State Park. Dogs are permitted on the trails, provided they remain on a leash. While the trail is accessible year-round, visiting in spring or fall often provides the most comfortable weather and a quieter experience, allowing you to fully immerse yourself in the park's diverse offerings.

This trail stands out for its unique combination of features, showcasing Fort Flagler's historical role as a coastal defense fort established in 1897. Beyond the history, you'll find excellent opportunities for wildlife spotting, including bald eagles along the bluffs and various birds and river otters around the lagoon. It's a comprehensive loop that truly offers something for everyone, from history buffs to nature enthusiasts, all within a manageable distance.

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4.

Larry Scott Memorial Trail

18.8km

04:52

110m

110m

The Larry Scott Memorial Trail offers a delightful journey through the diverse landscapes near Port Townsend, Washington. This moderate 11.7-mile (18.8 km) hike, with a gentle 350 feet (107 metres) of elevation gain, guides you from scenic waterfront views of Port Townsend Bay, past charming farms and open fields, and into a tranquil forest of white fir trees. Expect a smooth, easy-to-walk tread, making it a fantastic option for a leisurely day out, taking around 4 hours and 51 minutes to complete.

Planning your trip to the Larry Scott Memorial Trail is simple, as there are no permits or entrance fees required. You can easily access the trail by foot from the Port Townsend ferry dock, and it's suitable for year-round enjoyment, with amenities like benches and picnic tables available along the route. This trail is also family-friendly and dog-friendly, making it a great choice for a wide range of outdoor enthusiasts.

This multi-use pathway is not just a local favorite; it also serves as the easternmost section of the ambitious Olympic Discovery Trail, which aims to connect Port Townsend all the way to the Pacific Ocean. Following a historic former railroad grade, the trail is named after Larry Scott, a local advocate who championed outdoor recreation and conservation, adding a layer of community legacy to your experience.

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5.

Fort Flagler State Park loop from Marrowstone Wildlife Area

6.71km

01:48

80m

80m

The Fort Flagler State Park loop from Marrowstone Wildlife Area offers a delightful journey through varied landscapes, from open meadows and dense conifer forests to stunning coastal bluffs and beaches. You'll find yourself walking along both rock-strewn and sandy shores, with expansive vistas of Puget Sound, Admiralty Inlet, and the Strait of Juan de Fuca. Keep an eye out for local wildlife like deer and bald eagles as you explore the natural features of Marrowstone Wildlife Area.

This easy 4.2-mile (6.7 km) hiking route, with a modest 261 feet (79 metres) of elevation gain, is estimated to take about 1 hour and 47 minutes. It's an ideal choice for a relaxed outing, perfect for families or anyone seeking a gentle walk with plenty of scenic rewards. Parking is generally available within the state park, and the trails are well-maintained for easy access.

Fort Flagler State Park is notable not just for its natural beauty but also for its rich military history, housing a century-old coastal defense fort with historic structures like gun batteries and officers' quarters. This unique blend of diverse ecosystems and historical points of interest makes the Fort Flagler State Park loop a standout option for those looking to combine outdoor activity with a glimpse into the past.

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6.

Port Townsend – Port Townsend City Pier loop from Port Townsend

3.79km

00:58

10m

10m

This easy 2.4-mile (3.8 km) hiking loop from the Port Townsend City Pier is a fantastic way to experience the town's unique blend of natural beauty and historic charm. With only 24 feet (7 metres) of elevation gain, it's a gentle stroll that takes around 57 minutes, perfect for a relaxed outing. You'll enjoy sweeping waterfront views of Port Townsend Bay, pass by charming Victorian-era architecture, and even wander through peaceful forested sections.

Starting directly from the Port Townsend City Pier, this route is easily accessible, with parking available in the downtown area. No permits are needed, and the trail is suitable for all seasons, though spring and fall offer the most comfortable conditions. It's also a great family-friendly option, with many sections being ADA accessible.

The route incorporates parts of the historic Larry Scott Trail, an old railroad bed that's now a multi-use path, showcasing the community's dedication to outdoor recreation. This trail is part of the larger Olympic Discovery Trail, offering a glimpse into the region's extensive trail network and its commitment to preserving natural and historical pathways.

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7.

Fort Flagler State Park loop from Fort Flagler State Park

5.97km

01:36

70m

70m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Tips from the Community

Andrus
May 22, 2025, Sol Duc River

The western stretch of the Olympic Discovery Trail crosses over and follows the Sol Duc River (Quileute for sparkling waters) for many miles. Rising in the Olympic Mountains and flowing west for 78 miles, the Sol Duc joins the Bogachiel River and forms the Quillayute River which carries the water a final 4 miles to the Pacific.

0

0

Andrus
February 19, 2025, Sol Duc River

The western stretch of the Olympic Discovery Trail crosses over and follows the Sol Duc River (Quileute for sparkling waters) for many miles. Rising in the Olympic Mountains and flowing west for 78 miles, the Sol Duc joins the Bogachiel River and forms the Quillayute River which carries the water a final 4 miles to the Pacific.

0

0

Fort Flagler State Park is a 1,451-acre park surrounded by saltwater shoreline. The park offers hiking and biking trails, campsites, boat launches, and historical buildings available for overnight stays. You can visit the park's museum, which features exhibits about the fort's history. The park provides unparalleled views of the Olympic and Cascade mountains and Puget Sound.

0

0

Andrus
February 24, 2024, Sequim Bay State Park

Sequim Bay State Park offers a year-round respite for the weary. Along with a beautiful stretch of coastline the park also has a number of hiker-biker campsites designated for those that walk or ride in.

1

0

Uncover military history at Fort Flagler Historical State Park on Marrowstone Island's northern tip. This coastal defense fort, more than a century old, is part of the Puget Sound's defensive network, along with Fort Worden and Fort Casey. It's a must-visit for those keen on military, armament, and maritime history. Built in the late 1890s, it served during several wars and now houses a military museum in the old Quarter Master's Store House.

0

0

Sequim Bay lies along the Strait of Juan de Fuca, which forms the border between the USA & Canada. The Wildlife Area was established here restore a natural estuary and floodplain.

0

0

This scenic trail starts in Port Townsend. This scenic trail spans 7.3 miles, winding its way to the southwest until it reaches the Milo Curry Trailhead at Four Corners, where it concludes. The Larry Scott Trail is a segment of both the Olympic Discovery Trail and the Pacific Northwest Trail.

0

0

Daley Rankin Tunnel is a nice tunnel carved inside a huge rock along Lake Crescent. Spruce Railroad Trail leads through the tunnel and offers great views from the wooden path right before it.

0

0

Frequently Asked Questions

Are there many easy, family-friendly hikes on Marrowstone Island?

Yes, the island is well-suited for families. Most of the trails are rated as easy, with relatively flat terrain. A great option is the Kah Tai Lagoon Nature Park loop, which is a very gentle and short walk perfect for all ages. The trails within the various state parks also offer many easy sections along the beaches and through the forests.

Can I bring my dog on the hiking trails?

Dogs are generally welcome on the trails in the Marrowstone area, especially within Fort Flagler State Park, as long as they are kept on a leash. The park's mix of forest paths and wide-open beaches provides great variety for you and your canine companion. Always check specific park regulations before you go.

What are the best trails for coastal views and beach hiking?

Many trails on Marrowstone offer beautiful saltwater shoreline views. The trails in Fort Flagler State Park are renowned for their stunning vistas of the Puget Sound and Whidbey Island from the Bluff Trail. You can also enjoy walks along the park's extensive beaches, which are perfect for beachcombing and enjoying the sea air.

Are there any circular walks available?

Absolutely. Loop trails are very common in the area, allowing you to enjoy a varied hike without retracing your steps. For a longer, moderately challenging loop, consider the Larry Scott Memorial Trail, which offers a comprehensive tour of the local landscape.

What are the trail conditions typically like in Fort Flagler State Park?

The trails in Fort Flagler are generally well-maintained and suitable for all skill levels. You'll find a mix of wide, forested paths and sandy shoreline trails. After rain, some of the woodland sections can become muddy, so appropriate footwear is recommended. The Bluff Trail is particularly popular and usually in good condition.

How does hiking on Marrowstone Island compare to Indian Island?

Marrowstone Island, primarily through Fort Flagler State Park, offers a more extensive and varied network of trails, including historic military sites, dense forests, and high bluffs with expansive views. Indian Island County Park offers a quieter experience with a lovely, secluded beach and opportunities for birdwatching, but with fewer miles of established hiking trails.

Where can I find a good hike with a waterfall?

While Marrowstone Island itself is more known for its coastal scenery, the nearby Ludlow Falls Interpretive Trail is a highly-regarded spot for a short hike to a waterfall. It features a well-maintained network of trails along a creek with interpretive signs and charming bridges.

What do other hikers enjoy most about the trails around Marrowstone?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Hikers often praise the unique combination of history and nature, particularly the ability to explore historic military batteries and then walk along a scenic saltwater shoreline all in the same park.

How many hiking trails are there to choose from around Marrowstone?

There are over 35 hiking routes to explore in and around Marrowstone. The vast majority of these are easy, making the region accessible for hikers of all abilities, with a few moderate options for those seeking a bit more of a challenge.

What are the parking options for trailheads on the island?

The main hiking areas, such as Fort Flagler State Park and Indian Island County Park, have designated parking areas. Fort Flagler has several lots near key trailheads and points of interest. A Discover Pass is typically required for parking in Washington State Parks.

Are there any trails that are particularly good for birdwatching?

Yes, the region is a rich habitat for birds. The wetlands on both Marrowstone and Indian Islands attract a variety of species like eagles, herons, and various waterfowl. The trails in Fort Flagler State Park and the beach at Indian Island County Park are excellent spots for birdwatching enthusiasts.

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