The springs of Gramedo Nature · Muelas de los Caballeros, La Carballeda, Zamora Image of Muelas de los Caballeros, not of the place itself. In the district of Gramedo, a hamlet of twenty-eight residents, opens a spot of meadow through which several springs flow; the municipality sits at 985 metres, among the highest of the whole Carballeda. Photo: Antramir (CC BY-SA 3.0) What to see and do in Muelas de los Caballeros