If you are searching for the best dog parks on the Upper West Side, you already know one thing. This neighborhood is one of the most dog friendly areas in Manhattan. Between Riverside Park and Central Park, Upper West Side dog owners have access to incredible green space. But here is what most people do not realize. Timing and structure matter more than location. Not all Upper West Side dog parks are equal at every hour of the day. Some time slots are balanced and healthy. Ot