US Army Corps of Engineers
St. Paul District Website

Lock & Dam 10

  • Located on Mississippi River mile 615.0 near Guttenberg, Iowa.
  • Constructed and placed in operation November 1937.
  • Dam consists of a concrete dam 763 feet long with four roller gates and eight tainter gates. Earth embankment is 6,000 feet long with a concrete spillway 1,200 feet long.
  • Lock is 110 feet wide by 600 feet long.
  • Brochure

Recreation Opportunities

The observation deck is currently OPEN.

Lock and Dam 10
Lock & Dam 10, Guttenburg, Iowa

Contact information

U.S. Army Corps of Engineers
St. Paul District
Lock and Dam No. 10

5 Lock and Dam Lane
Guttenberg, IA 52052-0849

(563) 252-1261