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Washington State Park
636-586-0322

Park Map

13041 State Highway 104, De Soto, MO 63020 636-586-0322 8 miles south of De Soto on Hwy. 21, Washington County

Map of Washington State Park How to get to Washington State Park

Map of Washington State Park

From St. Louis
Approaching on I-270: Exit onto Tesson Ferry/Hwy. 21 South. Travel south on Hwy. 21 approximately 45 miles, through Hillsboro and De Soto. The park is located approximately nine miles south of De Soto.

Approaching from I-55: Travel south toward Memphis. Take Exit 174 (U.S. Hwy. 61/67 South to Park Hills/Leadington). Continue approximately six miles to the exit for Hwy. 110/De Soto. Turn right at the top of the exit ramp and go approximately six miles to the intersection with Hwy. 21. Turn left/south onto Hwy. 21 and continue approximately 12 miles to the park entrance.

From Jefferson City
Using U.S. Hwy. 50
Travel east on U.S. Hwy. 50 through Union. Turn right/south onto Hwy. 47 and continue through St. Clair. Turn left/east onto Hwy. 30/Hwy. 47 and travel approximately five miles before turning right/south back onto Hwy. 47. Continue approximately 21 miles to Hwy. 21. Turn left/north onto Hwy. 21 and travel approximately three miles to the park entrance.

Using I-70
Travel east on U.S. Hwy. 54 to Kingdom City; then take I-70 east to St. Louis. Take Exit 232 onto I-270 Chicago/Memphis. From I-270, exit onto Hwy. 21/Tesson Ferry and travel approximately 45 miles to the park entrance.