The walking routes on La Palma are graded and marked as follows:
SL (Sendero Local) Local walking footpaths (less than 10km long)
PR (Pequeño Recorrido) or Short distance walking footpaths (the trail can be walked from end to end in one day). La Palma has 19 principal and 23 secondary PR's footpaths.
GR (Gran Recorrido) or Long distance walking footpaths (take more than a day to walk). There are just two long distance trekking routes on La Palma, the GR 130 (El Camino Real - The Royal Way or Ruta la Costa - Coastal Route) and GR 131 (El Bastón - walking stick).
The GR 130 Camino Real, or Royal Way, is a circular route which goes right around the peripheray of La Palma and is approximately 150km long. It can be walked in long or short sections - by walking about 5/6 hours a day, the whole route takes around eight days. The walking is quite arduous due to the many valleys and ravines but the views are completely exceptional.