Municipality of the Alt Maestrat region, in the province of Castellón (Valencian Community). It is located in the middle of the Penyagolosa massif, limiting to the north with the province of Teruel.
Population of the Alcalatén region, in the province of Castellón (Valencian Community), very popular as a hiking and cycling destination, due to its proximity to the Penyagolosa National Park.
It is a complex of Arab origin that was used by Christians for defensive purposes. Currently, the hermitage and the walled enclosure still exist and are in good condition.
Ascent by forest track to the abandoned farmhouse that you can see in the photos, then to get to the castle of Buey Negro you have to make the Ascension by path.