Custom Search     Groton School Pond     No. I have never seen anyone swim here. Its a beaver pond adjacent to the Nashua Rail Trail. Good fishing. is this a pond you can swim in Says bev tucker Having a nice time at Groton School Pond is simple. There's always Upper Flannagan Pond Dam to have a look at right next door to Groton School Pond. Go on a spree to There Be Dragons Farm if you want to ride a horse. This is a great neighborhood for people who like lakes. Nashua Canal Reservoir is     a lake nearby. A spree to Willard Brook State Forest when you're here at Groton School Pond is a fine idea, and you're in all probability hooked on lakes, Silver Lake is one of those close by.            Map Detailed Map Weather Local weather forecast