Royal Observatory of Madrid
Retiro, Madrid
Source: esmadrid.com, checked 7 Nov 2026.
An observatory founded at the initiative of Charles III on a small hill beside the Retiro. Its main building was designed by Juan de Villanueva, with work starting in 1790.
Insider tip
Visits are guided in Spanish and last 90 minutes. A family-oriented tour for ages 7 to 12 runs at 12:30 on Sundays.
What's on near Royal Observatory of Madrid
Upcoming events within a ten-minute walk of Royal Observatory of Madrid, from the weekly Madrid events calendar.
Muestra de las calabazas participantes del XII concurso de calabazas gigantes y raras
Exhibition at Centro de Educación Ambiental El Retiro, free, listed on the Ayuntamiento de Madrid agenda (datos.madrid.es).
Taller de huerto familiar
Time 11:00
Activity at Centro de Educación Ambiental El Retiro, free, listed on the Ayuntamiento de Madrid agenda (datos.madrid.es).
Experiencia inspiradora: Abono verde de otoño en el Huerto Urbano Comunitario Barrio de Aluche
Time 11:00
Workshop at Centro de Información y Educación Ambiental El Retiro, free, listed on the Ayuntamiento de Madrid agenda (datos.madrid.es).
Mari la mariquita
Time 11:00
Activity at Centro de Educación Ambiental El Retiro, free, listed on the Ayuntamiento de Madrid agenda (datos.madrid.es).
Taller de comederos para aves
Time 11:00
Activity at Centro de Educación Ambiental El Retiro, free, listed on the Ayuntamiento de Madrid agenda (datos.madrid.es).
Nearby
Around Retiro
The park and its palaces
Retiro is the large park beside the Puerta de Alcalá and the streets around it, with two museums, an observatory and a royal tapestry workshop nearby.
Retiro has 10 places on the Roam Madrid map: 5 landmarks, 3 museums, 1 church or cathedral and 1 park or garden. Read the Retiro guide.
Good to know
- What is the address of Royal Observatory of Madrid?
- Calle de Alfonso XII 3, Madrid.
- How long do you need at Royal Observatory of Madrid?
- Plan for 1.5 hours.
- When is the best time to visit Royal Observatory of Madrid?
- Weekend.
Stay near Royal Observatory of Madrid
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