About
Square Gaston Tannou is a park or garden in Rennes. Access is free.
Opening hours
Oct-Mar Mo-Su 07:45-19:00; Apr-Sep Mo-Su 07:45-21:00
Hours can change on public holidays — check with the venue before a long trip.
Find it
Rennes
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Basic details from OpenStreetMap, updated 2026-10-13.