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

Venue

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

Metro: stations Saint-Jacques or Denfert Rochereau (lines 6 and 4)
RER B (express lines): station Denfert Rochereau
Bus: 38, 68, 88

From Paris airports

From the Roissy Charles de Gaulle airport: take RER B heading South (Denfert Rochereau via Paris). Travel time: 1 hour.
You can also take a shuttle Le Bus Direct Paris Aéroport Line 4 to Gare-Montparnasse. Then take line 4 towards Mairie de Montrouge, and get off at Denfert-Rochereau station. Travel time: 1 hour.
From Orly airport: take the automatic metro Orlyval up to Antony station, then take RER B heading to Gare du Nord up to Denfert Rochereau. Travel time: 40 mins.
You can also take the Orlybus to Denfert Rochereau. Travel time: 35 mins.

Official Paris airports site

By train

From Gare du Nord: take RER B heading South (to Denfert Rochereau via Paris) or line 4 heading towards Porte d'Orléans, and get off at Denfert Rochereau station. Travel Time: 30 mins.
From Gare de Lyon: take line 14, heading towards Olympiades. Switch at Bercy station and take line 6, heading towards Charles de Gaulle-Etoile. Get off at Saint Jacques station. Travel time: 20 mins.
From Gare de l’Est: take line 4 towards Mairie de Montrouge, and get off at Denfert-Rochereau station. Travel Time: 30 mins.

Map

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