
Night observation with telescopes at Galáctica
Astronomy · 1 h 30 at nightfall · All ages · €25, €12 up to age 10
40.00° N · 1.04° W
Galáctica and the Javalambre Astrophysical Observatory, in Arcos de las Salinas: nights with a telescope from €25, an hour and a half from Valencia.
Part of Starry skies in Spain
What to do
Each plan says how long it takes, who it's for and whether you can book.

Astronomy · 1 h 30 at nightfall · All ages · €25, €12 up to age 10

Interactive museum · 1 h 30 · All ages · €13 self-guided, €16 with a guide

Guided visit · 2 h · From age 12 · April to October · €40 with the museum
Itineraries
Days and weekends already planned out, with how to get between each stop and who to book with.
Plan the trip
Each choice narrows the next: the season shapes how best to travel, and how you travel decides where you stay and where you eat.
When to go
Galáctica opens all year; in November and December 2026 it has night observation every Saturday, with special nights for the Leonids and the Geminids. From May to October the nights are more bearable and the professional observatory is visited from April to October. In winter there is snow and hard frost: high-mountain clothing.
Where to stay

Why we like it: Hotel with 15 rooms and 12 wooden cabins for six in a pine wood in Aras de los Olmos, a Starlight reserve, 21 minutes from Galáctica. From €90.

Why we like it: 1929 spa hotel with the Starlight Hotel badge in the Paraíso valley, 28 minutes from Galáctica. Double with breakfast from €132.

Why we like it: Country house with four rooms rented separately on Calle Mayor in Arcos de las Salinas, 3 minutes by car from Galáctica.
Services for this trip
Areas, for any way of travelling
| Area | Who it's for | Average night |
|---|---|---|
| Arcos de las Salinas | Galáctica on foot, small country house | |
| Manzanera | Starlight spa, 28 min from Galáctica | |
| Aras de los Olmos | Hotel and cabins, 21 min away, already in Valencia |
Where to eat
From set lunch menus to Michelin stars. We mark the price level and what to order at each place.

What to order: The adult menu, home-style cooking with local produce; ask what has truffle or Teruel ham that day.

What to order: Ask for advice when you book: the house helps choose the menu and wine, and Tuesday to Thursday dinners are served only by reservation.
Map
Turn on the layers you want and tap a point to see its details.
Nearby
The closest places, whichever country they are in.
Tips
At full moon the Moon itself and the planets are seen well, but the Milky Way disappears. For deep sky, choose nights near the new moon.
Galáctica has no cafeteria or vending machines. You can bring water and something to eat; for dinner, book at Manzanera or in Aras de los Olmos.
Galáctica asks for warm clothing and closed shoes at any time of year: at night, at this altitude, the temperature drops a lot.
It is more than three hours by car for an hour and a half of observing, and the return is in the small hours on mountain roads. Sleep in the area or arrive early for the museum.
Because there is hardly anyone. Arcos de las Salinas is a small village on the southern slope of the Sierra de Javalambre, at 1,081 metres, and around it are juniper woods, pine forests and high moorland with no cities for tens of kilometres. That is why the Centro de Estudios de Física del Cosmos de Aragón (CEFCA) built the Javalambre Astrophysical Observatory on the Pico del Buitre, at 1,956 metres, a Unique Scientific and Technical Facility whose main telescope has a 2.55-metre mirror and maps the sky for research.
At the foot of the observatory is Galáctica, the outreach centre that CEFCA runs with AstroÁndalus, an astro-tourism company. It has an interactive museum, domes with telescopes, an amphitheatre for night-time observing and an 80 cm telescope, the GT80, which the centre itself presents as one of the largest in Europe devoted to outreach. The Gúdar-Javalambre comarca is a Starlight Reserve and Tourist Destination.
The usual thing is to arrive in the afternoon, see the museum or the solar observation if it is a weekend, have dinner and stay for the night observation: an hour and a half with telescopes outside Galáctica, with a theme each night (Saturn and its moons, the Moon, Orion, a meteor shower). It costs €25, €12 for children up to 10, and under-4s don't pay. For anyone who has already seen a sky like this and wants more, the night with the GT80 or the 60 cm Jean Assan, in a small group.
From April to October, for €40 and from age 12, a Galáctica guide goes up with you, in your own car, to the professional observatory: control room and the T250 telescope from the inside. You don't look through it: it is a visit to how the work is done.
By car. From Valencia it is about 105 km and an hour and forty minutes; from Teruel, about 76 km and an hour and a quarter. There is no useful public transport for getting back at night: Galáctica's website mentions a bus to Torrijas and taxis from Sarrión, Los Cerezos, Rubielos and La Puebla de Valverde. Fill the tank before going up, because Galáctica warns that there are few petrol stations.
For sleeping there are three different options within half an hour: a four-room country house in Arcos itself, Casa Avelina; the Balneario de Manzanera, a spa hotel with the Starlight Hotel badge; and Aras Rural, a hotel and wooden cabins in Aras de los Olmos, already in the province of Valencia and within the same Starlight reserve.
Questions
Galáctica sends a notice 48 hours ahead if the forecast is bad. If it is still bad at 24 hours, it cancels and lets you choose between a voucher for the amount, valid for 12 months, or an indoor plan with a sky simulator and workshop.
Yes to the night observation and the museum, which have no published minimum age; under-4s don't pay. The visit to the professional observatory is from age 12.
No. You enter with the guided visit that Galáctica sells, from April to October, with a minimum of four people and in your own car behind the guide.
In the November and December 2026 calendar, at 20:00. Galáctica asks you to arrive 10 minutes early. In summer they start later: check the time on each night's listing.
No. Galáctica says no prior knowledge is needed and that most of its activities are for all ages.
Geocaliahttps://www.geocalia.com/en/spain/aragon/javalambre-mountains