The Parc Astronòmic del Montsec (PAM) is located in the Montsec range, between Noguera region and Pallars Jussà region in the province of Lleida.

​

Centre d'Observació de l'Univers is located in Àger (Noguera region), just 3.5 km away from the town centre, next to the road leading to the Ares mountain pass.