Free visit of the underground cavity of the staircase of General Leclerc
This underground cavity has three layers of stacked galleries.
16 and 17 September 2023Passed
Conditions
Free entrance
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Carré Patrimoine
Old quarries at the top of Thiers Street
Souterrain de l'escalier du Général-Leclerc
Angle de la rue Thiers et de la rue de la Bretonnerie 95300 PontoiseOld quarries at the top of Thiers Street