guided tours: mid Jun-mid Sep daily except Fri and Autumn school hols: 11am, 1pm, 2.30pm and 4pm
Description
The Grotte de l'Abîme lies 1km west of Comblain-au-Pont, on a small hill. Discovered in 1900 and popular with hibernating bats, the underground cave has some spectacular colourful concretions.