Spain has 9 trails including easy, medium, and difficult difficulty trails. The trail with the highest elevation climb is GR 107 and the one with the least climb is GR 223 - Cami de Cavalls. The longest trail is Camino Catalan at 1255 km. To complete this hike you should budget at least 54 days. For a shorter adventure you can try GR 223 - Cami de Cavalls at 184 km. This could be done in as little as 10 days. Trails with the best offering of hostels include Ruta Jacobea Madrilena, Camino Aragones, Camino del Norte, GR 92, and GR 223 - Cami de Cavalls.