P.O. Box 9513
NL-2300 RA Leiden
Visiting and Courier Address
Huygens Laboratory / J.H. Oort Building
Niels Bohrweg 2
NL-2333 CA Leiden
Secretaries Leiden Observatory
Secretariat available daily from 9:00-17:00 hrs in room Oort 465
General Phone Numer (secretary): +31 (0)71 527 5737/5833
Email address: firstname.lastname@example.org
Note: this is NOT the Old Observatory (Oude Sterrewacht) which is located in the center of Leiden.
Please note that parking facilities at Niels Bohrweg are limited due to the SRON building site. New parking directions can be found here.