Festival of the 2 Universes
Edition 2026 Nature Science Astronomy

Festival of the 2 Universes

When astronomy and science meet in the spa town

Bourbon-Lancy — Saône-et-Loire (71) Since 2024
Dates 26 Jun — 27 Jun 2026
Location Bourbon-Lancy (71)
Prices Free
Status Confirmed

About 2 Universes

Organized by the Astro-Club Bourbonnien in the heart of the spa town of Bourbon-Lancy, the Festival of the 2 Universes is a unique event in Saône-et-Loire dedicated to astronomy and science. For two days in June, astrophysics conferences, planetarium sessions, telescope observations, tethered hot air balloon rides, and drone demonstrations transport young and old between sky and earth. Free admission, wonder guaranteed.

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Festival of the 2 Universes: eyes turned to the sky in Bourbon-Lancy

In the heart of Bourbon-Lancy, a charming spa town in the south of Saône-et-Loire, a festival like no other invites you to look up at the stars. Created in 2024 by the Astro-Club Bourbonnien (ACB), the Festival of the 2 Universes is an event dedicated to scientific outreach and the discovery of astronomy, open to all audiences.

Two Universes, One Passion

The name of the festival evokes the meeting between two worlds: that of the Earth and that of the cosmos. This duality is reflected in the program, which combines high-level scientific conferences and public events accessible to all ages. The ambition is clear: to make science exciting and accessible, to awaken curiosity, and to inspire vocations.

A Rich and Varied Program

Each edition of the Festival of the 2 Universes offers a remarkable range of activities:

  • Conferences led by renowned astrophysicists and academics, such as Pierre Léna (member of the Academy of Sciences) and Dominique Proust (astrophysicist, patron of the festival)
  • Planetarium sessions to travel among the stars
  • Night observations with telescopes using various instruments
  • Tethered hot air balloon rides to discover the region from the sky
  • Drone demonstrations and technological presentations
  • The Spatiobus from CNES, a traveling space exhibition
  • Booths from astronomy associations, radio amateurs, and telescope manufacturers

Bourbon-Lancy: A Spa Town Turned Towards the Stars

Bourbon-Lancy offers an ideal setting for astronomical observation. This small town of character, known for its thermal waters since the Gallo-Roman era, benefits from a preserved environment conducive to observing the night sky. The festival takes place at the Complexe Marc Gouthéraut and the nautical base, offering vast spaces for outdoor activities and observations.

The Astro-Club Bourbonnien: Committed Enthusiasts

Behind the Festival of the 2 Universes, the Astro-Club Bourbonnien, chaired by Thierry Roig, is a dynamic association that works throughout the year to promote astronomy. The club regularly organizes observation evenings and is working to create an observatory and an astronomy school in Bourbon-Lancy.

2 Universes — edition 2026

The third edition of the Festival of the 2 Universes is scheduled for late June 2026 in Bourbon-Lancy. Conferences, planetarium, observations, activities, and scientific discoveries will be on the agenda for a free weekend dedicated to astronomy and science.

Festival of the 2 Universes 2026 — 3rd Edition

The Festival of the 2 Universes returns for its third edition in late June 2026 at the Complexe Marc Gouthéraut in Bourbon-Lancy. The detailed program will be announced in spring 2026 on the official website and Facebook page of the Astro-Club Bourbonnien.

As with previous editions, the festival will offer a free program combining scientific conferences, public events, planetarium sessions, and night observations with telescopes.

Prices 2 Universes 2026

Free admission.

Practical information — 2 Universes

Practical Information

Access

By car: Bourbon-Lancy is located 30 minutes from Moulins, 1 hour from Mâcon, and 1 hour 30 minutes from Dijon. From the A6, take the RCEA (N79) towards Moulins, then the D973 towards Bourbon-Lancy.

By train: Nearest station: Moulins-sur-Allier or Le Creusot TGV, then a car transfer.

Prices

Free admission for all activities and conferences.

Contact

Astro-Club Bourbonnien
Email: [email protected]
Website: www.festivaldes2univers.fr

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Where does it take place — 2 Universes

Complexe Marc Gouthéraut et base nautique

Complexe Marc Gouthéraut, 71140 Bourbon-Lancy

Contact 2 Universes

2 Universes in brief

Nature Science Astronomy Young Audience Family Outdoor Free Participatory Saône-et-Loire

History of 2 Universes