Hortus Botanicus
About
Hortus Botanicus, Rapenburg 73, +31-71-5277249. [7]. Apr. 1st-Oct. 31st, everyday open 10AM-6PM, Nov. 1st-Mar. 31st, Tu-Su, 10AM-4PM. It is a botanical garden that hosts different species of flowers and trees around the world. It is part of the University of Leiden. Here you can also find the entrance to the visitors centre of the Astronomical Observatory, which is the oldest academical observatory in the world. Adult €6, child (4-12) €2.5, over 65 €3.