Enjoy the views of Montserrat and La Mola as you hike along one of the most complete circular routes in the Sant Llorenç del Munt i l’Obac Natural Park. Hit Castellsapera, Torre de l’Obac, Caus Cremats, Puig Codina, and Roca del Corb all in a single day. Trail specs Difficulty: moderate. Distance: 12 km (circular). Elevation gain: 310 m….