Tonnerre 89700, France ,
10 - 30 m,
15 - 25 °C,
Points of entering to the lake (see map)
There is a lake, which is very interesting in terms of water biology. Deep natural water reservoir, which in the days of Romans was rebuilt into the cave. Entrance to the lake is very easy and leads from the shore. Large depths cause that this place is intended only for technical divers. It is ideal for diving trainings. Due to the large number of fatal accidents, you need to obtain a permission to dive in this water reservoir from the mayor.
Flora and Fauna
Many species of freshwater fish
Related and native dive bases