We went to Boating in Boston at Hopkinton State Park on a beautiful Saturday in July. Boat rentals open at 10 am. We got there pretty early so it wasn't very crowded. We kayaked for an hour, then drove around to find a picnic location, of which there are many. We ended up eating right on the lake. The kayaking was wonderful. Although there were quite a few people there, it's a good sized lake with no motor crafts allowed. You can pull up on the shore in various places and swim/and or have a picnic if you bring supplies with you. There are also a few small islands you can stop at. There are plenty of kayaks, paddle boards, canoes and other boats to rent if that's what you're interested in. There is also a nice beach surrounded by a picnic area in the trees where there are charcoal grills. There is a second, smaller lake connected by a sluice that appears to be the result of runoff from the larger lake. It also has a beach and lots of picnic tables near by. The two are separated by a causeway that you can walk over. It's a nice place to spend a low key summer day or take a long walk with or without your dog. Admission is $5 and there are loads of parking areas spread around the park. It was just starting to get crowded when we left at 1 pm

Park has lots of parking...the season pass is a great deal at $35! Lots to do here...swimming, walking, fishing, hiking, kayaking. There are lots of people having picnics and BBQs at both areas of the park.