Limestone quarries of Triacastela Curiosity · Triacastela, Sarria, Lugo Image of Triacastela, not of the place itself. Limestone workings from which medieval pilgrims took a stone to carry to the kilns of Castañeda, a custom already recorded in the twelfth-century Codex Calixtinus. Photo: Jule_Berlin (CC BY 2.0) What to see and do in Triacastela