5.0
(7)
150
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23
hikes
Family friendly hiking trails in Fort Casey State Park offer a diverse landscape characterized by saltwater shoreline along Puget Sound, including the two-mile-long Keystone Spit. The park features trails winding through ancient forests and coastal prairies, providing varied natural settings. From numerous vantage points, visitors can enjoy panoramic views of Admiralty Inlet and the Olympic Mountains. The area also integrates historical attractions like military batteries and the 1903 Admiralty Head Lighthouse, accessible via these trails.
Last updated: May 13, 2026
4
hikers
7.81km
02:06
100m
100m
Hike the moderate 4.9-mile Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop in Fort Flagler State Park, featuring history, ocean vi
4
hikers
5.30km
01:24
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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2.07km
00:32
10m
10m
Easy 1.3-mile hike at Fort Worden State Park, offering panoramic views and the historic Point Wilson Lighthouse.
3
hikers
6.71km
01:48
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
2
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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.
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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.
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The Point Wilson Lighthouse, built in 1914 with a height of 51 feet, is the tallest on Puget Sound. Its position marks the end of the Straits of Juan de Fuca and the entrance to Admiralty Inlet and Puget Sound. Nearly all shipping for the area passes through the waters here, making it a great spot to see passing ships and sailing vessels of all shapes and sizes.
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The Point Wilson Lighthouse, built in 1914 with a height of 51 feet, is the tallest on Puget Sound. Its position marks the end of the Straits of Juan de Fuca and the entrance to Admiralty Inlet and Puget Sound. Nearly all shipping for the area passes through the waters here, making it a great spot to see passing ships and sailing vessels of all shapes and sizes.
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This historical park allows you to step back in time while enjoying a peaceful run through the grounds. Fort Flagler was built in the late 1890s and was fully operational during World War I, World War II and the Korean War. There are multiple trail options, all surrounded by 19,100 feet of salty shoreline to appreciate. There are stunning views of Mount Baker in the distance, Juan de Fuca to the north, Whidbey Island to the east and the Olympic Peninsula to the west. You will encounter historic structures along the route, a museum, a campground and restrooms.
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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.
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Located on a peninsula ma ma huge fort; Beautiful trails (bluff trail) lead above the cliffs and along the beach - in good weather views of Mount Baker and Mount Rainier.
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Fort Casey State Park offers a wonderful selection of family-friendly trails. You'll find over 20 routes suitable for various ages and abilities, with 17 of them rated as easy and 6 as moderate, ensuring there's something for every family.
Hikers can expect a diverse range of landscapes. Trails wind through coastal prairies, ancient forests, and along saltwater shorelines. Many routes offer panoramic views of Admiralty Inlet, Puget Sound, and the Olympic Mountains, providing a varied and engaging experience for all.
Yes, there are several easy loop options. For a gentle introduction, consider the Point Wilson Trail, which is rated easy and offers a pleasant, shorter walk. Many trails within the park itself are designed to be accessible and provide circular routes around key attractions.
Fort Casey State Park is rich in history. Families can explore the historic military batteries, bunkers, and gun emplacements that were once part of the 'Triangle of Fire.' The iconic 1903 Admiralty Head Lighthouse is also accessible via trails, offering both historical insight and scenic views.
While many trails are natural surfaces, some sections, particularly around the main fort area and lighthouse, are generally well-maintained and flatter, making them more accessible for strollers. It's always a good idea to check specific trail conditions before heading out, but you'll find options that work for families with strollers.
The park is enjoyable year-round, but spring and fall often offer the most pleasant hiking conditions with milder temperatures and fewer crowds. Summer is also popular, though it can be warmer. Winter hikes can be beautiful, especially on clear days, but be prepared for cooler, potentially wet weather.
Fort Casey State Park is excellent for wildlife spotting. Along the saltwater shoreline and at Crockett Lake, you can observe a variety of marine life in tide pools, as well as numerous bird species, as Crockett Lake is known for exceptional birdwatching. Keep an eye out for local fauna in the forested and prairie areas too.
Yes, Fort Casey State Park provides ample parking facilities for visitors. There are designated parking areas conveniently located near trailheads and key attractions, making it easy to access the various hiking routes.
Beyond hiking, families can enjoy beach walking, exploring tide pools, and birdwatching, especially around Crockett Lake. The historical batteries and lighthouse offer engaging educational experiences. The park's diverse environment provides plenty of opportunities for outdoor fun and discovery.
For families looking for a bit more of a challenge, the Anti-Aircraft Battery Trail, Bluff Trail, and Lagoon Loop is a moderate option. This route covers nearly 8 kilometers and includes some elevation gain, offering a rewarding experience with varied scenery.
The area is highly rated by the komoot community, with an average score of 4.9 stars. Reviewers often praise the unique combination of historical exploration and stunning natural beauty, particularly the coastal views and the well-preserved fort structures that make for an engaging family outing.
A Discover Pass is required for vehicle access to Washington State Parks, including Fort Casey. You can purchase a day-use pass or an annual pass. For more detailed information on passes and fees, you can visit the official Washington State Parks website: wa.gov.


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