US Army Corps of Engineers
Rock Island District Website

Yours to Discover

Lock & Dam 11 Recreation Area

Dubuque, Iowa

Lock & Dam 11 is a day use facility offering an outdoor boat / wildlife viewing observation deck, restrooms, and picnic area. 

Walking tours of the lock & dam are held every Sunday at 2 p.m., Memorial Day through Labor Day weather permitting. Meet at the overlook building. 

Lock & Dam 11 is located at 3000 Lock & Dam Road, Dubuque, Iowa 52001.

To contact Lock and Dam 11 staff about lockage times and availability call 563-582-1204.

For more information about the recreation area please call the Dubuque Ranger Office at 563-582-0881, or email us at

Click Here For Current Recreation Area Status