Sweet History Stroll along the Neponset River, 1p.m. - 2:30 p.m. Meet at the public parking lot at Milton Landing, near 25 Wharf Street, Milton What do chocolate and the Neponset River have in common? Join a DCR Park Ranger on a scenic stroll in Milton and Dorchester Lower Mills to find out. We'll explore the former Baker Chocolate Factory site and learn about the sweet history of Lower Mills. We'll warm up with hot cocoa. For ages 10 and up. Sponsored by MA DCR.