Natural swimming hole
Washington State Park, Big River
River · Missouri
Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Washington State Park's Big River frontage offers a sandy swim on the clear Ozark stream near De Soto. Petroglyphs and the 1930s CCC stonework add history to the beach day. It is the St. Louis area's closest Ozark river swim.
Good to know
| Water type | River |
|---|---|
| Water temperature | 70s in summer |
| Depth | river swimming |
| Best season | May-September |
| Fees | Free |
| Reservations required | No |
| Parking | state park lots |
| Amenities | swim beach, campground, hiking trails, restrooms |
| County | Washington County |
| Nearest town | De Soto |
| Safety notes | no lifeguard; river current |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Washington State Park, Big River?
Yes — Washington State Park, Big River is listed as a natural swimming spot in Missouri. Reported water temperature: 70s in summer. Heads-up: no lifeguard; river current. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Washington State Park, Big River require reservations?
No reservations are required at Washington State Park, Big River based on current information — but verify before you go.
Is there a fee to visit Washington State Park, Big River?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Washington State Park, Big River?
The best season is typically May-September.