Point of interest

Fosse Dionne

20 locals recommend,

Tips from locals

Jacob
August 23, 2020
Mysterious well in the heart of an old French village.
Joel
November 26, 2019
The Fosse Dionne is a karst spring located in downtown Tonnerre. It is remarkable because of its outflow (reportedly at least 100 litres per second on average). Its presence is at the center of the creation story of Tonnerre. An elaborate wash basin was built around the spring in the 18th century. A small room next to the Fosse shows a map of the underground caves, in which a lot of divers lost their life trying to explore it.
The Fosse Dionne is a karst spring located in downtown Tonnerre. It is remarkable because of its outflow (reportedly at least 100 litres per second on average). Its presence is at the center of the creation story of Tonnerre. An elaborate wash basin was built around the spring in the 18th century. A…
Marjorie
August 22, 2022
Au cœur de Tonnerre, la Fosse Dionne est une source vauclusienne au débit varié, mais perpétuel.
Roxanne
October 8, 2015
Incontournable de la visite du tonnerrois
Fanny
May 25, 2020
C'est une source karstique dite source vauclusienne remplie d'histoire.

Unique things to do nearby

A visit to Tonnerre
  1. Walking tour
  2. 1.5 hours

Locals also recommend

Location
11 Rue de la Fosse Dionne
Tonnerre, Bourgogne-Franche-Comté