address:                               Province: Hainaut, region Wallonia, comunne: Lessines,

height a.s.l.:                         NDA,

depth max:                           54 m,

length max:                          380 m,

width max:                           392 m,

size:                                    148960 m2,

visibility max:                        15 m,

water temperature:                5 - 20 °C,

warnings:                              none.

Points of entering to the lake (see map)


Underwater attractions

COSYNS is a quarry located in province of Hainaut, Wallonia region, Lessines commune, with a depth of 54 m. Only persons with technical level of training can dive in this place. It is necessary to be particularly careful due to poor visibility. Once big blocks of rock and gravel were extracted in the quarry. While diving, it is possible to see the platform, winch, machines and railway rails.

Flora and Fauna

Blocks of rock.

Related and native dive bases

More information