Southeast Missouri / Lead Belt / Mississippi Corridor
Washington State Park: petroglyphs and Indigenous heritage near Potosi
Washington State Park preserves petroglyphs left by Indigenous people, making it both a recreation destination and a place of cultural heritage that deserves respectful framing.
Washington State Park sits along the Big River in Washington County, near Potosi. The park has petroglyphs. Petroglyphs are rock carvings made long ago by Indigenous people. The park also has hiking trails, picnic areas, and places to reach the river. These carvings are heritage sites, not curiosities. They are protected. When you visit, look but do not touch or harm them. That way they can last for future people to see. The park also holds stonework built by an African American Civilian Conservation Corps crew. (The Civilian Conservation Corps was a 1930s work program.) Missouri State Parks runs this park. It is the best place to get current trail maps, hours, river conditions, and rules near the petroglyphs. Please treat the carvings as the cultural landmark they are. Check current conditions and any seasonal closures with Missouri State Parks before you go.
Where to see it
- Washington State Park
Use Missouri State Parks for current hours, trails, river access, and alerts.
- Washington State Park petroglyphs
Use the park petroglyph page for respectful viewing guidance and cultural context.
References
More from Washington County: browse every local note for the county.
Last checked against the sources above: June 15, 2026.