The Sterling Mountain Fire Observation Tower and Observer's Cabin is a historic fire observation station located on Sterling Mountain in Sterling Forest State Park at Greenwood Lake in Orange County, New York. The station includes a , steel-frame lookout tower erected in 1922 and an observer's cabin built about 1934. The tower is a prefabricated structure built by the Aermotor Corporation and provided a front line of defense in preserving the Ramapo Mountains from the hazards of forest fires. The observer's cabin is of light frame construction, sheathed with board and batten siding stained brown.