I haven't skated that spot in a few years, so some or all of this might be completely different now.
1. No pads and no fee to get in. The rumor was they would be building a more modern park next to it and then charging fee's but I am not sure if that ever happened.
2. When you get to the top of the hill and turn right you look for a path on the left that goes right between two row houses. Its very easy to drive right past. If you hit the bottom of the hill again you missed it.
3. Don't park and leave a nice car or leave any valuables out in the open. It's located in not the best part of town and you can't see your car from the skate park. My good friend had all his windows smashed in and tires slashed while we were skating.