The U.S. Army Corps of Engineers welcomes you to Clarence Cannon Dam and Mark Twain Lake. Many recreational opportunities await you on this 55,000-acre land and water project spanning the Salt River Valley in Northeast Missouri. Rich in history and home to Samuel Clemens (Mark Twain) there are many local attractions to choose from. The lake is located in Ralls and Monroe Counties, 28 miles southwest of Hannibal, MO and 120 miles northwest of St. Louis.

16.	New Visitor Center Combines Green Building, Community Involvement (January 4, 2011)
15.	Visitor Center- Constructed exterior utdoor classroom cmu/stone fire pit. Completed installation of wood floor in meeting room. Constructed boulder landscaping. Placed filter fabric & Iowa rock in dry stream bed around building. Placed sod at circle drive & parking lot islands. Installed hydro exhibit & mural framing in lobby. (Week of July 22, 2010)
14.	Visitor Center-Placed topsoil, installed stone and wood floors, and constructed a boulder landscaping and rock path (Week of July 7, 2010)
13.	Visitor Center-Installed drywall, conduit, registers, ceiling panels; finished concrete curb and sidewalk circle drive. (Week of June 23, 2010)
12.	Visitor Center- Installed plywood sheathing, drywall, electric lines, reinforcing steel, sprinkler system, etc. (Week of April 30, 2010)
11.	Visitor Center- Installed windows, cedar sidng, copper flashing, cedar trim, outriggers, etc. (Week of April 7, 2010)
10.	Visitor Center- Installation of roof trusses. (Week of February 18, 2010)
9.	Visitor Center- Installation of steel trusses. (Week of February 11, 2010)
8.	Visitor Center- Installation of exterior wall insulation, sheathing, water barrier & double wood started. (Week of January 26, 2010)
7.	Visitor Center- Completing welding of structural steel for the chimney wall and installing structural steel supports for floor joists. (Week of January 14, 2010)
6.	Visitor Center- Placing Concrete for all Visitor Center Footings Completed (Week of December 10, 2009)
5.	Visitor Center- Additional Wall Footings & Granular Backfilling Completed (Week of December 3, 2009)
4.	Visitor Center- Contractors Preparing Wall Footers for Concrete with Some Footers Completed. (Week of November 2, 2009)
3.	Visitor Center- Contractors Installing Retaining Wall (Week of November 2, 2009)
2.	Clarence Cannon Dam and Mark Twain Lake 25th Anniversary Ceremony and Visitor Center Groundbreaking (September 12, 2009)
1.	Mark Twain Lake gets new Visitor Center as a result of American Recovery and Reinvestment Act (ARRA) Funding.(August 5, 2009)

Questions or Comments? Please contact us.

E-mail: marktwaininfo@usace.army.mil

Phone: (573) 735-4097

Address:
Mark Twain Lake Project Office
20642 Highway J
Monroe City, MO 63456