I live in Queens, NY but travel a lot to Long Island and Manhattan. Does anyone who lives in these areas know of some good hills where I can do hill sprints (like 30-40 yard hills)? There is a hill in Astoria Park by my house, but it is 15 yards at best. I figure Long Island or maybe Central Park in Manhattan have the kind of hill distances and steepness I'm looking for. If anyone can help me out, I'd appreciate it.