# Observatorio Astronómico El Castillo, Spain: what it is and when to go > Observatorio Astronómico El Castillo is an observatory in Spain. Interests: Stargazing. The best time to visit is November to March. In June there are 15 h of daylight, and in December, 8 h 59. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/europa/espana/observatorio-astronomico-el-castillo/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Observatory · Stargazing - **Where:** Spain - **You can go:** November to March. - **Nearest airport:** MAD Madrid, 192 km as the crow flies - **Website:** [ccborobia.com](https://www.ccborobia.com/) - **Coordinates:** 41.66432, -1.89632 ## What it is and where Observatorio Astronómico El Castillo is an observatory in Spain. Its coordinates are 41.66432, -1.89632; the nearest main airport is Adolfo Suárez Madrid–Barajas Airport (MAD, Madrid), 192 km as the crow flies. How to get around Spain (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/europa/espana/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=41.664317%2C-1.896322) - [Directions](https://www.google.com/maps/dir/?api=1&destination=41.664317%2C-1.896322) It is one of the [Stargazing](https://kokai.app/en/paises/europa/espana/estrellas/) places in Spain. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go Months when you can visit Observatorio Astronómico El Castillo: **November to March**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 18 | | February | Possible | 10 h 23 | | March | Possible | 11 h 40 | | April | Better not | 13 h 08 | | May | Better not | 14 h 21 | | June | Better not | 15 h | | July | Better not | 14 h 44 | | August | Better not | 13 h 41 | | September | Better not | 12 h 16 | | October | Better not | 10 h 51 | | November | Possible | 9 h 36 | | December | Possible | 8 h 59 | In June there are 15 h of daylight, and in December, 8 h 59. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Spain in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/europa/espana/#cuando-ir). ## Before you go to Spain To enter Spain there are 6 things to sort out before you leave, starting with “Valid ID card or passport”: they are all, with their deadlines, in [the Spain checklist](https://kokai.app/en/paises/europa/espana/#antes-de-salir). Currency: Euro (EUR); plugs: Type C and F · 230 V · 50 Hz; emergencies: 112. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Toranzo](https://kokai.app/en/paises/europa/espana/toranzo/): Triangulation station in Soria, Spain · 6.7 km - [Castillo de Ciria](https://kokai.app/en/paises/europa/espana/castillo-de-ciria/): Castle in Ciria, Soria · 7.7 km - [windmill of Malanquilla](https://kokai.app/en/paises/europa/espana/molino-de-malanquilla/): Monument · 11 km - [Corona Alta, Beratón](https://kokai.app/en/paises/europa/espana/corona-alta/): Nature · Mountains · 11 km - [Estación de Tordesalas](https://kokai.app/en/paises/europa/espana/estacion-de-tordesalas/): Ruins · 12 km Distances are as the crow flies. Everything else is in [the Spain guide](https://kokai.app/en/paises/europa/espana/). ## More in Spain: Stargazing - [Roque de los Muchachos Observatory](https://kokai.app/en/paises/europa/espana/roque-de-los-muchachos-observatory/): Spanish astronomical observatory - [Fabra Observatory](https://kokai.app/en/paises/europa/espana/observatori-fabra/): observatory in Barcelona, Spain - [Calar Alto Observatory](https://kokai.app/en/paises/europa/espana/centro-astronomico-hispano-en-andalucia/): astronomical observatory in Almeria, Spain - [Sierra Nevada Observatory](https://kokai.app/en/paises/europa/espana/observatorio-de-sierra-nevada/): Observatory - [La Sagra Observatory](https://kokai.app/en/paises/europa/espana/observatorio-astronomico-de-la-sagra/): Observatory - [Teide Observatory](https://kokai.app/en/paises/europa/espana/teide-observatory/): Spanish astronomical observatory Every Spain place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/europa/espana/estrellas/). ## Frequently asked questions ### What is Observatorio Astronómico El Castillo? It is an observatory in Spain. ### When is the best time to visit Observatorio Astronómico El Castillo? November to March. In June there are 15 h of daylight, and in December, 8 h 59. ### How do you get to Observatorio Astronómico El Castillo? The nearest main airport is Adolfo Suárez Madrid–Barajas Airport (MAD), 192 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=41.664317%2C-1.896322) opens the route on the map, and how to get around Spain is explained in [its country guide](https://kokai.app/en/paises/europa/espana/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Spain map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Toranzo](https://kokai.app/en/paises/europa/espana/toranzo/), [Castillo de Ciria](https://kokai.app/en/paises/europa/espana/castillo-de-ciria/), [windmill of Malanquilla](https://kokai.app/en/paises/europa/espana/molino-de-malanquilla/). The rest is in [the Spain guide](https://kokai.app/en/paises/europa/espana/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/1498914748), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).