Washington State Park

4/25/2026 | Washington State Park | De Soto, MO. Washington State Park will host a trash pickup event on the first Saturday after Earth Day. Everyone is encouraged to come help clean up the park. Volunteers should meet at the Thunderbird Lodge at 10 a.m. before heading out to the trails and day-use areas. This event is […]

10/25/2025 | Washington State Park | De Soto, MO 1 p.m. – "Ghosts of Washington's Past" Trail Walk Meet at the entrance of the campground for a 1-mile guided stroll to the special-use area and back. Park staff will share narratives that haunt the history of Washington State Park. The walk will be followed by […]

10/24/2025 | Washington State Park | De Soto, MO Join us on the fourth Friday of each month for a fun outdoor learning experience! This series will cover both natural and cultural topics, and some programs will feature guest presenters. Each session will take place at the campground amphitheater at 2 p.m. These events are […]

10/11/2025 | Washington State Park | De Soto, MO Join park staff at the campground amphitheater to hear about the owls that live within the park. See an interesting display showcasing owls' special abilities and habits. This event is free and open to the public, and there is no need to register. For more information, […]

10/4/2025 | Washington State Park | De Soto, MO Washington State Park will hold its annual Fall Harvest Fest on Saturday, Oct. 4. This event will include a handmade item and craft fair featuring a variety of vendors from Missouri, as well as fall crafts and activities for kids. Food and concession items will be […]

9/26/2025 | Washington State Park | De Soto, MO Join us on the fourth Friday of each month for a fun outdoor learning experience! This series will cover both natural and cultural topics, and some programs will feature guest presenters. Each session will take place at the campground amphitheater at 2 p.m. These events are […]

9/6/2025 | WASHINGTON STATE PARK | DE SOTO, MO  Join us for a fun day of archaeology at the park! Event schedule: Archaeology activities and demonstrations – 10 a.m. to 2 p.m. at Shelter #2 Stop by Shelter #2 in the Big River Day-Use Area to check out a variety of interactive activities and demonstrations. […]

8/30/2025 | Washington State Park | De Soto, MO Mining Minerals Display Table – 2 p.m. at Thunderbird Lodge View an interactive mining display featuring minerals that were commonly mined in the area. Hear about the historical mining of iron ore, copper ore, tiff and galena mined in and around the park, as well as […]

8/23/2025 | Washington State Park | De Soto, MO Petroglyph tour – 2 p.m. at the petroglyph site Washington State Park staff will offer a tour of the petroglyphs, the park's history carved in stone! Learn about these Mississippian-era carvings, the culture and community that created them, and possible interpretations. Enjoy a short stroll on […]

8/22/2025 | Washington State Park | De Soto, MO Join us on the fourth Friday of each month for a fun outdoor learning experience! This series will cover both natural and cultural topics, and some programs will feature guest presenters. Each session will take place at the campground amphitheater at 2 p.m. These events are […]

8/16/2025 | Washington State Park | De Soto, MO Petroglyph tour – 2 p.m. at the petroglyph site Washington State Park staff will offer a tour of the petroglyphs, the park's history carved in stone! Learn about these Mississippian-era carvings, the culture and community that created them, and possible interpretations. Enjoy a short stroll on […]

8/9/2025 | Washington State Park | De Soto, MO Join us for a fun night under a starry sky to view the Perseid meteor shower and participate in various astronomy-related activities. Event Schedule: At 6 p.m., meet park staff at Shelter #2 in the Big River Day-Use Area to check out cool displays and pamphlets […]