You'll find Washington State Park on Big River in De Soto. It's a public boat ramp. From St. Louis it's roughly 45 miles in a straight line. Closest alternative: Washington SP in De Soto (1 mile).
| Type | Public boat ramp |
|---|---|
| Address | De Soto, MO |
| Water | Big River |
| Launch fee | not in our data, check the signs at the launch |
Official public water access in Missouri, including Washington State Park: Missouri Department of Conservation (accesses); Missouri State Highway Patrol Water Patrol Division (boating rules).
Compare all 6 launches on Big River. Big River overview
More in our guide: How to launch a boat from a trailer, plus ramp etiquette.
Illustration Bestseller Attwood 7524A7 snap-handle drain plug The forgotten drain plug is the classic ramp mistake. A spare in the glove box saves the day. View on Amazon 
Illustration Top pick Bungee dock lines with quick connect, shock absorbing Clip on in seconds while your partner parks the trailer. The bungee keeps the boat off the dock in wakes. View on Amazon 
Illustration Master Lock trailer coupler lock (fits 1-7/8", 2", 2-5/16") Your trailer sits alone in the ramp lot all day. A coupler lock keeps it where you left it. View on Amazon We haven't tested these ourselves; we chose them by size and specs. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Check the current price on Amazon.
Illustration The classic ramp mistake
A spare snap-handle plug in the glove box, and the full launch checklist that keeps the line moving.
Launch checklist
Illustration Loading the boat
How to winch your boat on in a minute, and the small upgrades that make the drive home safer.
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Washington State Park is in De Soto, Missouri. Use the directions button, which routes to the exact pin of Washington State Park.
Big River, in De Soto.
No fee information yet for Washington State Park, so if you know it, tell us and we'll add it.
Most likely, if you launch from the side of Washington State Park and don't block the lane. The nearest dedicated kayak launch is Canoe Launch in Sullivan in Sullivan, about 25 miles away.
Washington SP in De Soto (1 mile), Mammoth Access in De Soto (2.5 miles) and Merrill Horse in De Soto (5.9 miles).
Boat Ramps Nearby