The Antruejo of Llamas de la Ribera Activity · Llamas de la Ribera, Astorga, León Image of Llamas de la Ribera, not of the place itself. A carnival masquerade held on the afternoon of the Sunday before Shrove Tuesday, with masked guirrios and madamas in full dress, accompanied by the gomia, the bull, the rosita and the devil. It is a festival of provincial tourist interest. Photo: Dinamita71 (CC BY-SA 3.0) What to see and do in Llamas de la Ribera