Archaeological site of Can Mata Nature · els Hostalets de Pierola, Anoia, Barcelona Image of els Hostalets de Pierola, not of the place itself. Palaeontological site where in 2002 the fossil of Pierolapithecus catalaunicus was discovered, one of the most complete ancestors of the great apes found in Europe. Photo: Alumnat 4t ESO - IE Renaixença - 8 (CC0) What to see and do in els Hostalets de Pierola