
St Léonard
This vast subterranean lake is the largest of its kind in Europe. Measuring 300m long and up to 20m wide, the caverns have been beautifully lit. You’ll be under its spell during the 30-minute guided boat trip.
Find a holiday
This vast subterranean lake is the largest of its kind in Europe. Measuring 300m long and up to 20m wide, the caverns have been beautifully lit. You’ll be under its spell during the 30-minute guided boat trip.