Ang Khang Royal Agricultural Station The station's first research projects. Located in Mae Ngon Fang, Chiang Mai. The height from sea level to 1,400 meters and a peak elevation of 1,928 meters catchment area of approximately 26.52 square kilometers or 16,577 acres, was established in 2512 by His Majesty the King said. "Give He helped himself" Is transition area from the opium farmer in winter. Cause The revenue more than the former.