This article records tradition as it has been passed down and reported. Its sources are not yet part of the atlas's verified catalogue.
A pilgrimage route entry records a specific, named path or journey undertaken for religious purpose, the Camino de Santiago and its several documented variant routes among them, distinct from a sacred site in describing the journey itself, its path, its stages and its historical development, rather than the destination a pilgrim travels to reach. Ian Reader's study of pilgrimage treats these routes as living, changing practices with a real economic and social life around them, not fixed medieval relics that stopped developing once first established.
An entry records a route's documented origin, its traditional stages or stopping points, and how it has changed over time, since a pilgrimage route very often gains new branches, loses old ones, or shifts in the balance between religious and secular travelers across a long documented history rather than staying fixed from its earliest recorded use.
Many routes recorded here have seen a documented modern revival, a route walked overwhelmingly by religious pilgrims in an earlier period drawing a much broader, more secular set of travelers today, and the entry records that shift honestly as part of the route's own history rather than presenting only its earliest, most narrowly religious form.