Complex sentence: Sterling Forest State Park is a 21,935.08 acre (88.7 km 2) park located in the Ramapo Mountains in Orange County, New York established in 1998; it is among the larger additions to the New York state park system in the last 50 years.
Split into simpler sentences: Sterling Forest State Park is a state park located in the Ramapo Mountains in Orange County, New York. Established in 1998, it is among the larger additions to the New York state park system in the last 50 years.