Dolmen of Castelltallat Nature · Sant Mateu de Bages, Bages, Barcelona Image of Sant Mateu de Bages, not of the place itself. Megalithic tomb of 2200 BC in the Castelltallat range, excavated in 1920 by the Centre Excursionista de Montserrat de Manresa. Photo: Isidre blanc (CC BY-SA 4.0) What to see and do in Sant Mateu de Bages