The Sunspot Solar Observatory (SSO) is an astronomical observatory designed for the study of the Sun. The observatory is operated by New Mexico State University (NMSU) and the U.S. National Solar Observatory (NSO). It is split between operations at the telescope facility at Sunspot, New Mexico, and data and management at the Department of Astronomy at New Mexico State University. The Sunspot telescope facility is in the Sacramento Mountains, approximately 18 miles (29 km) south of Cloudcroft. Access to the facility telescopes and grounds are open for to the public for guided tours. It is funded by the National Science Foundation in partnership with the state of New Mexico.

Sunspot is an unincorporated community in the Sacramento Mountains in the Lincoln National Forest in Otero County, New Mexico, United States, about 18 miles (29 km) south of Cloudcroft. Its elevation is 9,186 feet (2,800 m). The Sunspot Solar Observatory and Apache Point Observatory are located in Sunspot in the Sacramento Mountains. The site of Sunspot is leased by the National Science Foundation (NSF) from the US Forest Service (USFS), and is operated and maintained by the Association of Universities for Research in Astronomy. The telescope and site are both open to the public, and the visitors center offers guided tours of the site on Saturdays and Sundays. On other days there is a self-guided 1/2 mile trail around the telescope and White Sands overlook.