GR 292.3 trail along the canals of Llamas Activity · Benuza, La Cabrera, León Image of Benuza, not of the place itself. A waymarked route of some six kilometres that starts at Llamas de Cabrera, runs along the bed of the Roman channel C1 and returns by the C3, with stretches carved into the rock above the deep valley of the river Cabrera. Photo: Hovallef (CC BY-SA 4.0) What to see and do in Benuza