Taradell Castle, also known as Can Boix Castle, is located 2.2 km southeast of the town of Taradell, in the Catalan region of Osona, and crowning a summit of large rocks, at an altitude of 803 metres.
The Popa castle or Castellcir castle, documented since 1014, is in the town of Castellcir and its main function was to defend the valley of the Castellcir-Tenes stream.