The Avenc del Passant, near Castelldefels in the Garraf region, is an easy-access karst pothole: the approach from Pla de Querol takes just 10 minutes, and the whole activity lasts around 3 hours. It is a highly vertical cavity, typical of the Garraf karst landscape. The 31-metre deep route is split into two pitches: a first vertical drop of 6 metres, followed by a spectacular 21-metre shaft where a thrilling abseil reveals stunning cave formations. A vertical, adrenaline-fuelled experience in one of the most distinctive karst environments near Barcelona. Duration: 3 hours. Difficulty: Introductory.
