Discover a little-known treasure in the heart of Gresswiller, near Molsheim and just a few kilometers from Strasbourg, with a visit to the Planétaire, a fascinating creation that blends science, history, and mechanics. One of a kind, this remarkable instrument invites you to observe the movement of the planets with astonishing precision in an authentic and intimate setting.
During this guided tour, you’ll delve into the ingenious workings of this extraordinary planetarium. Powered by a water clock, it delicately recreates the passage of time and the rotation of the celestial bodies, offering a vivid and tangible view of the universe. A true technical feat, this mechanism inspires both admiration and curiosity, and provides a deeper understanding of the laws that govern our solar system.
Available in small groups to encourage interaction, this approximately 1.5-hour experience allows you to fully appreciate every detail and benefit from clear and fascinating explanations. The friendly atmosphere enhances the immersive experience and makes the discovery even more captivating.
Let yourself be amazed by this unique and enriching place. Reserve your spot and enjoy a one-of-a-kind tour that will spark your curiosity and broaden your perspective on the universe.
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Average duration 1 hour and 30 minutes
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Languages spoken French
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Difficulty Suitable for all
From 14.06.2026 to 30.08.2026
Starting at €5
- 1.5-hour guided tour of the planetaryarium
The last event of the summer is on August 28; meet at the elementary school in Gresswiller at 10 a.m.
- A unique planetary model powered by a water clock—a true feat of mechanical and scientific engineering
- An immersive guided tour to understand the motion of the planets and the secrets of this exceptional instrument
- A small-group tour of Gresswiller, perfect for conversation and a friendly, enriching experience
Office de Tourisme de Molsheim
The Office de Tourisme de la Région de Molsheim-Mutzig (Molsheim-Mutzig Region Tourist Office), located in Alsace, aims to promote tourism in an area made up of 18 communes, as well as its historical, architectural, cultural and gastronomic heritage.
67120 Molsheim
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Accueil Vélo