US Army Corps of Engineers
St. Louis District 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. America the Beautiful Passes are available by calling the Mark Twain Lake Project Office at 573-735-4097. 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

Hazardous Tree Cleanup in Ray Behrens/Frank Russell Campgrounds
7/12/2021
Mark Twain Lake, July 12, 2021 – Due to the storms that took place over the weekend of July 9, 2021, the Ray Behrens and Frank Russell Campgrounds will be burning large amounts of wood debris...
Ray Behrens-Frank Russell Closure
7/11/2021
Mark Twain Lake, July 7, 2021 – Due to the storms that took place over the weekend of July 9, 2021, the Ray Behrens and Frank Russell Campgrounds are closed beginning Sunday July 11, 2021 – Sunday...
South Fork Closure
7/11/2021
Mark Twain Lake, July 11, 2021 – The U. S. Army Corps of Engineers announces that the South Fork Recreation Area will be closed to public use beginning July 13, 2021. The area will be closed for...
Mark Twain Lake High Water Update
7/7/2021
Mark Twain Lake, July 7, 2021 – UPDATE - The Salt River basin that forms Mark Twain Lake crested on Saturday, July 3, 2021. As a result of heavy rains Mark Twain Lake rose to 626.2 NGVD. Water levels...
Reservations for the Halloween Walk Postponed
7/7/2021
Mark Twain Lake, , 2021 – The U. S. Army Corps of Engineers announces the reservations for the Annual Halloween Walk set to open on July 7 at 9:00 A.M. will be postponed until Wednesday, July 28 at...
UPDATED - Mark Twain Lake High Water Update
7/1/2021
Mark Twain Lake, July 1, 2021 – UPDATE - The Salt River basin that forms Mark Twain Lake has been subjected to heavy precipitation during the last several days. As a result, the lake level is...
Mark Twain Lake High Water Update
7/1/2021
Mark Twain Lake, July 1, 2021 – UPDATE - The Salt River basin that forms Mark Twain Lake has been subjected to heavy precipitation during the last several days. As a result, the lake level is...
Mark Twain Lake High Water Update
6/26/2021
Mark Twain Lake, June 26, 2021 – The Salt River basin that forms Mark Twain Lake has been subjected to heavy precipitation during the last 48 hours. As a result, the lake level is rising rapidly. With...

Reservations

Water Safety

Volunteer

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
Fax: (573) 735-2750

Email:
marktwaininfo@usace.army.mil

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

Camping Reservations:
1-877-444-6777 or visit https://www.recreation.gov/


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