Arlington has many parks you can enjoying in every season. In the warmer months you can enjoy a baseball game, hiking or picnic and in the winter months you can go sledding or do a little cross country skiing. Along with the parks Arlington also offers a Skating rink and Beach. For a full list of Recreation Facilities and Programs...Check out the links below for all that Arlington has to offer.
http://www.town.arlington.ma.us/departments/recreation
http://www.arlingtonma.gov/departments/public-works