National Astronomical Observatories, Chinese Academy of Sciences Mailing address:20A DaTun Road, ChaoYang District, Beijing, 100012 FAX: 86-10-64878240　 TEL: 86-10-64888726
 
Taxi:
From the airport: Take Highway the Fifth Ring and exit at Beichen West Road. NAOC is at the north-west cornor of the intersaction of Datun Road and Beichen West Road. The fare is about 100RMB. Metro Line 8 Olympic Green Station 
From the airport: Take Airport Express (Direction: Dongzhimen). Get off Airport Express at Sanyuanqiao Station. Transfer to Metro Line 10 (Direction: Bagou). Get off Metro Line 10 at Beitucheng Station. Transfer to Metro Line 8 (Direction: Forest Park South Gate). Get off at Olympic Green Station then walk towards north. The first major road to the north of the Metro stop is Datun Road. Turn left(west) onto Datun Road. It takes about 10-minute walk to reach NAOC. It is on the right(north) side of Datun Road and at north-west cornor of the intersaction of Datun Road and Beichen West Road.