address:                               Tonnerre 89700, France ,

height a.s.l.:                         NDA,

depth max:                           180m,

length max:                          11m,

width max:                           11m,

size:                                    121m?,

visibility max:                        10 - 30 m,

water temperature:                15 - 25 °C,

warnings:                              none.

Points of entering to the lake (see map)


Underwater attractions

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

More information