Washington State Park

10/05/2026

Thanks to everyone who participated in the Fall Harvest Festival on Saturday! It was a fun day, filled with talented live music provided by The Riverside Wanderers, good food from the concessionaire, and lively storytelling performed by Ric Vice. Plus, so many skilled local artists showed up to provide the craft fair! We at Washington State Park are happy to be part of such a great community.

10/03/2026

Today is the day! Everyone is all set up for the Fall Harvest Festival. Stop by the Big River Day Use Area TODAY anytime from 10am-4pm and check it out!

10/02/2026

The Fall Harvest Fest is only ONE day away! Stop by tomorrow, October 3, anytime from 10am-4pm to participate in the fun. 🍂

09/30/2026

09/26/2026

We're enjoying the cool autumn weather on the trails at Washington! Stop by and see how many asters you can spot along the path. 👀

09/24/2026

Join park staff at 2pm at the campground amphitheater tomorrow, September 25, 2026, for the September Outdoor Classroom: Autumn Leaves!

09/24/2026

Join us the Saturday, September 26, 2026, for Nature Art!
2pm- Petroglyph Tour at the Petroglyph Site
4pm- Nature Crafts at the Thunderbird Lodge
7pm- Leaf Craft at the Campground Amphitheater

09/11/2026

Join us TOMORROW, September 12, 2026, for Archaeology Day!

Washington State Park is once again celebrating Missouri Archaeology Month with a day of public archaeology activities. This year's Archaeology Day event will also include a live bird program.

This event is cosponsored by Missouri State Parks, the Three Rivers Chapter of the Missouri Archaeological Society and the World Bird Sanctuary. All activities are free and open to the public; there is no need to register.

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. View interesting archaeological artifacts and see demonstrations of flint knapping.

Raptor Awareness Program – 11 a.m. at Shelter #2
At 11 a.m., check out the World Bird Sanctuary program Raptor Awareness. Meet some amazing animal ambassadors and learn about topics surrounding raptors. See live birds up close and in flight! Please keep your pets away from Shelter #2 during this program, for the safety of both the birds and your pets.

Petroglyph tour – 2 p.m. at the petroglyph site Across From Shelter #1
Join park staff for a guided tour of the petroglyphs, the park's history carved in stone. Learn about the carvings, the culture and community that created them, and what they might mean. Enjoy a short stroll on a covered walkway with interpretive panels highlighting the cultural features.

Washington State Park Contact Information:
Address: 13041 State Highway 104, De Soto, Mo.
Phone number: 636-586-5768