What: Great Barrington Housatonic River Walk, Berkshire County's National Recreation Trail, holds a 25th-anniversary celebration to pass the baton to River Walk's next generation of stewards, the Greenagers.
New exhibit: 'W.E.B. Du Bois: Champion of the River Here at Home and around the World'
When: Saturday from 10 a.m. to 1 p.m.
Where: Du Bois River Garden park at Church and River streets, Great Barrington
Admission: Includes the "Our Town" raffle, 50 different south county businesses. Tickets are available through Rachel Fletcher, email@example.com, or on the day of the event