Environmentalist and writer Lauren R. Stevens will give a talk on the Mohawk Trail to the Stephentown Historical Society at 7:30 p.m. Monday, May 5, at the Heritage Center on Garfield Road, County Route 26.

The Mohawk Trail, the first designated scenic highway in the United States, will be 100 years old this year. This winding section of Route 2 crossed the spine of the Berkshires, stretching from Williamstown to Orange, Mass.

The program is free and open to the public. The building is handicapped accessible. For directions or information, phone (518) 733-0010.