Locks 33 to 36 of the Canal de Castilla Monument · Villamuriel de Cerrato, El Cerrato, Palencia Image of Villamuriel de Cerrato, not of the place itself. The Campos Branch crosses the municipal district with four consecutive locks: numbers 33 and 34 are oval in plan and 35 and 36 rectangular, a sampler of the two technical solutions used on the canal. Photo: Zarateman (CC0) What to see and do in Villamuriel de Cerrato