A medium length trail through a varied landscape. The loop hike (6 miles?) at Washington State Park, and the varied terrain it passes through, is certainly worth the drive. It's a good plae to think about the history and development of Missouri's state parks, and the trail offers a number of pleasant surprises.
The park is off MO 21, along the Big River, and a lot closer now that 21 is four-lane to Hillsboro:
The park web site has the usual information.
The park was developed by the CCC. Their handiwork is all over the park. Particularly evocative is the remains of their barracks, now being reclaimed by the forest:
And they knew how to frame a scene: