Mountain Creek Waterpark is an amusement park located in Vernon, New Jersey, USA, on the grounds of the Mountain Creek ski resort. The park consists primarily of water based attractions and originally opened to the public in 1978 under the ownership of Great American Recreation, who also owned the ski resort which at the time operated under the name Vernon Valley/Great Gorge.
Mountain Creek Waterpark is in the Mid-Atlantic area of the US.
New Jersey is in the Mid-Atlantic region of the US. The system is not able to distinguish that.