Address: 70 Bacon St, Watertown, MA 02472
Website: http://www.watertown-ma.gov/
The How Park Off-Leash Area in Watertown, Massachusetts has a fenced space where dogs can run freely. There are grassy and gravel areas for them to enjoy. The park has many shade trees and benches for dog owners. It also has some agility equipment for dogs to play on. The area has different levels and connects to a trail by the river. However, there is no water fountain, so be sure to bring your own water.