It is not a pilgrimage for the faint hearted, it is well over 600 kilometres (according to which route you choose).
It appears to attract people in search of a meaning to life - possibly they find a sense of the sacred on their journey.
Somehow, I doubt that this is enough to bring about a conversion to the Faith but it must surely bring some graces, some spiritual awakening in those who have no faith.
And, for those who do, perhaps it deepens and strengthens their belief.
Watch the video and judge for yourself....