June 15, 2016December 26, 2018Mystic River Path & Mystic Valley Parkway in Late Spring Mystic River Path in Late Spring 1 Mystic River Path in Late Spring 2 Mystic River Path & Mystic Valley Parkway in Late Spring … in mid-Spring; Fall; Winter. Upper Mystic Lake in Medford/Winchester, MA, USA Share this:TwitterRedditTumblrPinterestWhatsAppEmailLike this:Like Loading... Related