The 12,000-square foot National Great Rivers Museum is located on the Meeting of the Great Rivers National Scenic Byway at the Melvin Price Locks and Dam #26.

Adjacent to the regional bike trails and situated on the banks of the Mississippi River, this museum is dedicated to telling the story of the people, nature, and wildlife that have shaped the mighty river throughout history. The museum is packed with 20 highly interactive and computer animated exhibits that illustrate the impact of the Mississippi River on people and the region.

Public Lock tours are available Wednesday – Saturday at 10 a.m., 1 p.m., and 3 p.m. (tours begin promptly) The tours are free and last approximately 45 minutes to one hour; requires ½ mile walk and heights of approximately 80 feet. Public tours are limited to 25 participants. Group Tours Groups of 10 or more need to call the Alton Visitor Center at 1-800-258-6645 to schedule a tour. Group tours available Wednesday – Saturday at 9 a.m., 11 a.m., and 2 p.m. Allow at least 1 1/2 hours to visit both the museum and locks and dam. School/children groups require at least one adult chaperone per 10 students. Student activity sheets are available to assist in the museum experience.