- Western Terminus:
- New York-New Jersey state line
- Eastern Terminus:
- Hillside Avenue (US 9W) in Palisades
- 0.75 miles
Closter Road is a short route at the southeastern corner of Rockland County. It begins at the state line and extends for less than a mile to the northeast to end at Hillside Avenue (US 9W) in Palisades. To the southwest, it continues into New Jersey at Rockleigh Road, a local street.