General information

A single one-way ticket starting at 1.90€. It allows to travel by bus, metro, tram, and RER (within Paris), and on the Montmartre funicular. 25% savings when you purchase a pack of 10 tickets (14.90€).

The metro operates from 5:30 a.m. to about 1:15 a.m. When the metro is closed, the Noctilien night bus network takes to the road.

To find an itinerary

Paris Tourist Information Office

Weather report


The meeting will be held at the Institut d'Astrophysique de Paris (IAP).

The IAP is located in the heart of Paris near the Place Denfert-Rochereau (see map).

Ways to come

By metro or bus

From Paris airports

Official Paris airports site

By train


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