Xinglong Station (simplified Chinese: 兴隆观测基地; traditional Chinese: 興隆觀測基地; pinyin: Xīnglóng guāncè jīdì) is an observatory (IAU code 327) situated south of the main peak of the Yanshan mountains in Hebei province, China. Installed are seven telescopes: a Mark-III photoelectric astrolabe; a 60 cm reflector; an 85 cm reflector; a 60/90 cm Schmidt telescope; an 1.26m infrared telescope; and a 2.16m telescope. The most recent telescope is the 4m LAMOST. As of 2014 the observatory installed a 5.2m telescope as part of their Gamma-ray astronomy program, known colloquially as Sām Tām for its aggressive focal length.