Often the tracks are recorded by another hiker, like yourself. Sometimes you'll even see where the hiker took side trips to see other sights or perhaps took a wrong turn.
The tracks are recorded with a GPS device or program.
I used a CdN track that I downloaded from wikiloc.com and it worked well. The were a few tracks there; I thought the one posted by a user named Pelegrino was the best.
This site is run by Ivar at in Santiago de Compostela.
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