US Army Corps of Engineers
St. Louis District Website Website

Welcome to the official website of Mark Twain Lake! Check out the links to the right as well those below to learn more about the opportunities and resources available on this 55,000 acre project.
The full series of America the Beautiful Passes are now available at the Mark Twain Lake Visitor Center. Click the link below to find the pass that works best for you.
The Visitor Center is currently closed due to COVID-19.

Mark Twain Lake Links

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Photos

Latest News Releases

Mark Twain Lake Campground Changes and Opening Information
5/11/2020
Mark Twain Lake, May 11, 2020 – The U.S. Army Corps of Engineers at Mark Twain Lake would like to thank everyone for their patience and understanding during this time as the campground opening...
Mark Twain Lake Campgrounds Converting to 100% Reservable With Recreation.gov
5/5/2020
Mark Twain Lake, May 5, 2020 – The U.S. Army Corps of Engineers at Mark Twain Lake will implement changes to the camping policy to protect the health, safety and security of the public and USACE...
U.S. Army Corps Announces the Re-Opening of Limited Facilities at Mark Twain Lake
4/27/2020
April 27, 2020 – The U.S. Army Corps of Engineers is announcing planned opening dates for recreational hunting and boat ramp facilities at Mark Twain Lake. Staff and Public safety are our top...
US Army Corps of Engineers Preventative COVID-19 Closures at Mark Twain Lake
3/25/2020
Mark Twain Lake – In an effort to further protect against the spread of the COVID-19 virus, all U.S. Army Corps of Engineers (USACE) recreation areas, including boat ramps, day use areas and...
Mark Twain Lake Announces Excess Debris on the Lake
6/3/2019
The U.S. Army Corps of Engineers at Mark Twain Lake announces due to high water levels the lake has an excess amount of debris. This can create hazards on the lake as well as make some areas difficult...
Army Corps of Engineers promotes water safety this summer season
5/20/2019
Summer is almost here and that means millions of Americans will be planning visits to our nation’s lakes and rivers. As the steward of many of these public waters, the U.S. Army Corps of Engineers...
Mark Twain Lake Announces the 8th Annual Antler Shed Hunt for Youth
1/11/2019
Mark Twain Lake, January 11, 2019 – Are you looking for a new outdoor adventure? The U.S. Army Corps of Engineers at Mark Twain Lake in partnership with the Monroe City Whitetails Unlimited Chapter,...
Summer Student Employment Available at Mark Twain Lake
12/14/2018
The U.S. Army Corps of Engineers at Mark Twain Lake is seeking applicants for Student Trainee Intern positions for the 2019 recreation season. Specific information regarding these positions is...

Reservations

Water Safety

Volunteer

Fishing Report

archery updates

Contact

Mailing Address:
U.S. Army Corps of Engineers
Clarence Cannon Dam & Mark Twain Lake
20642 Hwy J
Monroe City, MO 63456

Telephone:
Project Office: (573) 735-4097
Visitor Center: (573) 565-2112
Fax: (573) 735-2750

Email:
marktwaininfo@usace.army.mil

Office Hours:
Monday - Friday, 7:30 a.m. - 4 p.m.

Visitor Center Hours:
Open daily, 9 a.m. - 4 p.m.

Camping Reservations:
1-877-444-6777


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