Dungeness Spit is a natural sand spit located in the Olympic National Park in Washington State. It extends approximately 5.5 miles into the Strait of Juan de Fuca and is known for its unique ecosystem, which includes diverse plant and animal species. The spit is a popular destination for birdwatching, as it provides habitat for various migratory birds. The area is also home to the historic Dungeness Lighthouse, built in 1857, which stands at the tip of the spit. Visitors can explore the surrounding beaches and trails, enjoying stunning views of the water and nearby Olympic Mountains. The spit is a designated wilderness area, emphasizing its importance for conservation.