Angkhang Royal agricultural station is due to initiative. For his Majesty to promote professional agriculture as a substitute to opium planting. The project's first research station on Mount Royal Laotian territory. Tambon Mae ngon, amphur Muang, Chiang Mai Its height from the sea level 1400 m high DOI, and to be responsible for areas around 1928 m. 26.52 square kilometers or 16577 Rai established when 2512 (1969) along the initiative in his Majesty that "let him helping themselves" change from the opium crops as winter town farm that generate revenue better than the old.