Activity company · Àger
Parc Astronòmic del Montsec
The Parc Astronòmic del Montsec is the astronomy centre for the public in the municipality of Àger, in the Noguera, a few minutes from the village along the Coll d'Ares track. It is in the Montsec range, which in 2013 received the double Starlight certification as a reserve and tourist destination, backed by UNESCO. What is done here is outreach: sessions led by astronomers, with planetarium and telescopes, for people who know nothing about the sky.
What it has
Three domed buildings and a central building. The planetarium is called L'Ull del Montsec: a 12-metre digital dome, with 3D projection, which opens fully to look at the real sky at the end of the session. In the telescope park there is the 50 cm L'Assumpció Català, in an observatory-classroom for 84 people; another 40 cm one in the large dome, a 15 cm refractor in the small one and more than twenty portable telescopes. By day they project the disc of the Sun, more than a metre across. In the central building there is a permanent exhibition with the Sala de l'Univers and the Sala Starlight, devoted to light pollution.
How the sessions work
There are night and day experiences, in a general version (recommended from age 10) and a family one (from 5). All are led by an astronomer and held in Catalan or Spanish: when buying you choose the time for the language you want. The general night lasts two hours: one in the planetarium and one among the telescopes. The family one, an hour and a half, is scheduled on first-quarter nights so that the Moon is the star. The exhibition can be visited freely with your ticket.
Tickets are bought online, on the ticket office on its website. The night costs €18 in 2D and €20 in 3D; the daytime one, €10. There is a reduced rate for under-15s, young people with the Tarifa Jove, seniors, large and single-parent families, and under-5s do not pay. Groups of more than 20 book by phone, Monday to Friday from 9:00 to 15:00.
What they run
- The Sun through a telescope and the planetarium, by day at the Parc Astronòmic General daytime experience: planetarium and solar observation Book Mosaics of Light, planetarium and optics workshop for families Book
- Música sota les estrelles, concert and telescopes at the Parc Astronòmic Music under the Stars 2026 series Book
- A night of planetarium and telescopes at the Parc Astronòmic del Montsec General night experience, in 2D or 3D Book Family night experience Book
Practical details
- Phone
- +34 973 053 022
- Website
- parcastronomic.cat
- Languages
- Catalan, Spanish
Frequently asked questions
In which languages are the sessions held?
In Catalan and Spanish, in separate sessions. The sessions of the concert series are in Catalan.
Do I need to book?
Yes, on its website. Sessions have fixed times and at weekends and long weekends they fill up.
What if it is cloudy?
The planetarium part is held anyway. Telescope observation depends on the weather: the website says so for each experience.
Is it the same as the Montsec Observatory?
No. The Montsec Observatory is an IEEC scientific facility in Sant Esteve de la Sarga, closed to the public except for guided summer visits. The one open all year is the Parc Astronòmic, in Àger.
