June 2, 2016December 28, 2018Mystic Valley Parkway & Mystic River Path in Mid-Spring Mystic Valley Parkway & Mystic River Path in Mid-Spring Mystic River Path in Mid-Spring 1 Mystic River Path in Mid-Spring 2 … in late Spring; Fall; Winter. Upper Mystic Lake in Medford/Winchester, MA, USA Share this:TwitterRedditTumblrPinterestWhatsAppEmailLike this:Like Loading... Related