May 2 – 5, 2023
Palais des papes, Avignon
Europe/Paris timezone

The conference addresses the cardinal issues of the dark universe today, gathering a selected number of scientists working in cosmology and particle physics in the inspiring and monumental setting of Avignon. There will be  both review talks by leading experts in each field and selected contributions, all aimed at encouraging in-depth debates. A certain amount of time will be devoted to discussion sessions.  

Organizers:  Philippe Brax (CEA IPhT Saclay), Francesca Calore (LAPTh Annecy), Marco Cirelli (CNRS LPTHE Jussieu Paris), Christian Marinoni (CPT Marseille), Vivian Poulin (LUPM Montpellier) , Nicola Tamanini (L2IT Toulouse)


Palais des papes, Avignon
Chambre du Trésorier
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The conference will be organized along the following broad categories:

- Early universe

- Late universe

- Gravitational waves

- Astrophysical messengers of new physics


This is the sixth edition of the conference.
See the websites of PONT Avignon 2008, PONT Avignon 2011, PONT Avignon 2014 PONT Avignon 2017 and  PONT Avignon 2020 .

The present website can be reached at

Supporting agencies:



We acknowledge in particular the steady financial support from the 'Programmes Nationaux' of CNRS/INSU, France: 'Gravitation, Référence, Astronomie, Métrologie' (GRAM), 'Hautes Energies' (PNHE) and 'Cosmologie and Galaxies' (PNCG).