An observatory on the Collserola ridge opened in 1904, still working, with two century-old telescopes, one of them among the largest and oldest in Europe still in use.
- Address
- Camí de l'Observatori s/n, 08035 Barcelona
- Hours
- Daytime guided visits Sun and holidays 11:00 (about 2 hours, in Catalan); night visits via Sternalia (official site, 2026)
- Best time to go
- Morning, Late night · About 2 h
- Price
- Daytime visit EUR 10; reduced EUR 5 (official site, 2026); night visits and star dinners sold by Sternalia, price not verified
- Price level
- €€
Details can change. Check hours and prices before you go.
Good to know
- No booking needed for the Sunday 11:00 visit, but be on time
- Summer 'Sopars amb estrelles' (dinner and stargazing) book out: reserve through Sternalia