Fort Casey Historical State Park

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CLOSURE NOTICE: The Admiralty Head Lighthouse is CLOSED for renovations through August 2020. Temporary exhibits and a lighthouse gift shop will be open at the Fort Casey Park Office in May 2020. For days and hours of operation, see the lighthouse information listed below under Activities.

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Close your eyes and imagine Fort Casey as it must have been 100 years ago, filled with eager young soldiers, officers, mechanics and staff. Stand at the Admiralty Head lighthouse or in a cliff-side gun battery and scan the horizon, as the enlisted men must have done during World Wars I and II.

Fort Casey, Fort Worden and Fort Flagler together were known as the "Triangle of Fire," a trio of strategically placed fortifications defending the entrance to the Puget Sound at the turn of the 20th Century. 

Constructed in the late 1800s, Fort Casey was equipped for defense and used as a training facility up to the mid-1940s. The fort houses a pair of rare 10-inch disappearing guns. While the guns were the height of technology in the early 1900s, improvements in warships and the advent of airplanes soon rendered them obsolete. Two additional 3-inch mounted guns are also on display in their original emplacements. You can explore these batteries to your heart’s content.

So round up your family, friends and history buffs, and step back in time to Fort Casey Historical State Park. From the romantic 1903-vintage lighthouse, with its own interpretive center and gift shop, to the catacomb-like bunkers and batteries, this historic military fort is sure to ignite curiosity.

Park features

Fort Casey Historical State Park is a 999-acre marine camping park with 10,810 feet of saltwater shoreline on Puget Sound (Admiralty Inlet); it includes Keystone Spit, a 2-mile stretch of land separating Admiralty Inlet and Crocket Lake.

Automated pay station: This park is equipped with an automated pay station for visitors to purchase a one-day or annual Discover Pass.

Please note: U.S. Navy jets from nearby Naval Air Station Whidbey Island may fly over the campground at any time for several hours. Navy personnel conduct training missions at various times during the day and night. Depending on the direction of the wind, their flight pattern may put them above the park, creating noisy conditions for campers. Although State Parks cannot be responsible for the jet noise, we do share visitor concerns with representatives of Naval Air Station Whidbey Island. Flight Schedule

  1. Activities
  2. Boating
  3. Camping
  4. History
  5. Maps

ADA amenities/facilities

  • Restroom
  • Picnic area

Use our interactive ADA recreation map to search for other state parks with ADA amenities and facilities.

Picnic & day-use facilities

The park offers 68 unsheltered picnic tables. Picnic sites are first come, first served.

Trails

  • 1.8 miles of hiking trails

The Pacific Northwest National Scenic Trail (PNT) is a 1,200-mile-long footpath through some of the most spectacular and scenic terrain in the United States. It stretches between the shores of the Pacific Ocean in Olympic National Park and the Rocky Mountains in Montana, connecting the varied landscapes and communities of the Pacific Northwest.

While visiting Fort Casey State Park, you can hike along the shores of the Admiralty Head Marine Preserve on the Pacific Northwest Trail. You might be inspired to visit the PNT in four other Washington state parks, or even to see it all! Every year, adventurous backpackers from around the world attempt to walk the entire trail. In summer, these thru-hikers will spend an evening camping in the state park before continuing on their long-distance journeys. To plan your trip on the Pacific Northwest Trail, visit online www.pnt.org.

Water activities & features

  • Boating
  • Diving at Keystone Underwater Dive Park
  • Fishing (saltwater)
  • Watercraft launch

Other activities & features

  • Park store
  • Beach exploration
  • Bird watching
  • One fire circle

Admiralty Head Lighthouse and gift shop hours

  • Closed Nov. to July
  • Open Sat. - Sun., 11 a.m. - 5 p.m. Aug.- Oct.

School group tours and activities
ALERT: Group tours are canceled until further notice due to COVID 19.

To request a tour or activity for your school or group, complete the tour request form or call (360) 678-1186.

Interpretive opportunities

Exhibits at the Admiralty Head Lighthouse tell the history of the area around Fort Casey Historical State Park. Topics include local Native American tribes, the building of the Red Bluff Lighthouse, two fourth order Fresnel lens and the construction of Fort Casey.

Guided tours of the gun batteries at Fort Casey State Park are offered from May 25 to Sept. 3. The 45-minute tours are led by the Fort Casey Volunteer Battalion. The tours are scheduled as follows:

  • 1 p.m. Fridays
  • 1 and 2:30 p.m. Saturdays, Sundays and national holidays

Meet at the sandwich board sign in the grassy area between the fort and parking lot.

Additional information

  • The park contains a designated remote-control glider area and a parade field popular for kite-flying.
  • The lighthouse is open seasonally. Tours can be arranged by calling (360) 678-1186.
  • A recreational license is required for fishing and shellfish harvesting at Washington state parks. For regulations, fishing season information, or to purchase a recreational license, visit the Washington Department of Fish and Wildlife.
  • Printable park brochure (PDF).

SERVICES & SUPPLIES

Firewood and ice are available for sale in the campground. Snacks, water, t-shirts and souvenirs are available for sale at the park office.