Active Advisories

May 24, 2018 - Jun 30, 2018

The Veteran's Memorial Picnic Area will be closed on June 30 from 7:30 a.m. to 1 p.m. This will be the electronics recycling location for the Waste Free at Washington State Park event.

May 21, 2018 - Jul 28, 2018

The Big River Day Use Area and Shelter #2 will be temporarily closed on Sat., July 28 at 8 p.m. due to a special event. 

The area will reopen on Sun., July 29 at 7 a.m.

Apr 27, 2018 - Oct 31, 2018

For the 2018 Season, Missouri Park Adventures will operate cabin check-in and watercraft rentals from the swimming pool building at Washington State Park.  Thunderbird Lodge will be temporarily closed while a restoration project gets underway.   

Cabin guests and float reservations can contact Missouri Park Adventures by phone at 636-586-2995 for more information.  They may also be reached through their website

Jan 29, 2018 - Aug 12, 2018

Due to a special event, the Petroglyph site will be closed beginning at 6 p.m. Aug. 11, 2018 through 10 a.m., Aug. 12, 2018. 

Jun 30, 2017 until further notice

Taking some simple precautions can help keep ticks off your body during your next outdoor adventure!

Apr 15, 2013 until further notice

White-nose syndrome, a fungus that is fatal to bats but does not affect humans, is found throughout the eastern United States and Canada. ...

Jan 28, 2013 until further notice

Missouri’s forests are being threatened and you can help protect them. The emerald ash borer (EAB), an exotic beetle that has killed millions of ash trees in the northern, central and eastern United States, has been found in Missouri. The spread of EAB and other destructive forest pests has been .....