We connect 30+ museums across Barry, Eaton, Ionia, Kent, and Montcalm counties, celebrating the rich history of Michigan’s Grand, Flat, and Thornapple River communities.
30 Museums. 3 Rivers. 1 Shared History
Welcome to the Tri-River Historical Museum Network
This is the place to come to get information on the 30+ museums in our network. The Tri-River Historical Museum Network museums are located along the Flat, Grand and Thornapple Rivers. All invite you to come and discover or remember the rich history and charm of the area and its people, past and present.
Spring Into the Past
Our signature annual event is held the first weekend in May, when many member museums are open that Saturday and Sunday, the same hours.
Our 2025-2026 theme, Tracing Our Routes: The Roads, Rivers, Rails, and Trails That Shaped Our Communities, celebrates America’s 250th anniversary!
Annual Luncheon August 18, 2026 at Noon
Tickets $20/person - contact us to reserve tickets.
A very special guest will share history to help us celebrate
“Tracing our Routes” for America250
Luncheon Location: Outreach Christian Church 7831 Jordan Lake Rd. Lake Odessa, MI
Museum Network Calendar
To view a more concise calendar, change the Month in the dropbox below to Schedule