Obelisco in Buenos Aires: a concrete landmark on Avenida 9 de Julio

Obelisco in Buenos Aires is a slender reinforced-concrete monument from the 1930s that rises above Plaza de la República at the crossroads of Avenida 9 de Julio and Avenida Corrientes.

A modernist monument to Buenos Aires’ foundations

Obelisco stands in the San Nicolás district of Buenos Aires, in Plaza de la República, where Avenida Corrientes cuts across the broad axis of Avenida 9 de Julio.Plaza de la República was laid out as part of a wider reshaping of the city centre, and the monument marks a point where major streets converge in a wide open space that breaks the dense urban fabric.

The obelisk was built in 1936 to mark the fourth centenary of the first foundation of Buenos Aires by Pedro de Mendoza in 1536, giving it a clear historical anchor within the city’s colonial past.fourth centenary of the first foundation It was inaugurated on 23 May 1936 during the presidency of Agustín Pedro Justo, under the municipal administration of Mariano de Vedia y Mitre, and quickly became a fixed point in the mental map of residents.

Form, materials and the work of Alberto Prebisch

The architect behind Obelisco was Alberto Prebisch, an Argentine modernist whose work helped define the look of central Buenos Aires in the mid twentieth century.modernist architect Alberto Prebisch The monument takes the familiar tapering outline of an obelisk but translates it into plain reinforced concrete, stripped of decorative carving and classical mouldings. This simple profile emphasises height and vertical emphasis over ornateness, and it contrasts with the more elaborate façades on nearby theatres and office buildings.

Work on the structure began on 20 March 1936 and finished on 23 May of the same year, a short construction period centred on prefabricated elements and poured concrete.built in only 31 days in 1936 The monument reaches a height of around 67.5 m (221 ft), with straight edges rising from a square base set into the paving of the plaza.67.5 metres in height Its surfaces are plain and pale, and small access points are integrated into the base for maintenance, but to passers-by it reads as a single vertical element aligned with the avenue grid.

Obelisco in the life and geography of Buenos Aires

Obelisco occupies the spot where the Argentine national flag was first raised in Buenos Aires in the nineteenth century, linking the place to a specific episode in the city’s story.the first raising of the Argentine flag in the city Inscriptions on the monument recall this association, and the decision to position the obelisk exactly here gave the plaza a ceremonial dimension within the everyday traffic of the avenues. The monument’s alignment with Avenida 9 de Julio, one of the widest urban thoroughfares in Argentina, means that it is visible along long sight-lines both north and south.

A short walk from Obelisco, along Avenida Corrientes, stands the Gran Rex Theatre, another work by Alberto Prebisch that helps place the monument within a broader modernist ensemble in the central city.Gran Rex Theatre nearby on Corrientes Together, the obelisk, the theatre and the broad roadway of Avenida 9 de Julio form a set of twentieth-century interventions that sit among older streets and buildings, and the concrete shaft of Obelisco acts as a marker that helps visitors orient themselves within this mix of periods.

Visiting Obelisco: what travellers from Western Europe should know

• Obelisco stands in Plaza de la República at the junction of Avenida 9 de Julio and Avenida Corrientes, in the San Nicolás area of central Buenos Aires, and is reached on foot from nearby streets and public transport stops.
• The monument rises from a paved plaza at street level, with kerbs, traffic islands and multiple lanes of road surrounding it, so crossing points and signalised junctions structure how pedestrians move through the space.
• The official language of Argentina is Spanish and the currency is the Argentine peso.
• Entry requirements depend on your nationality; UK travellers can check the FCDO travel advice at gov.uk/foreign-travel-advice, Irish travellers the Department of Foreign Affairs at ireland.ie.

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Frequently asked questions about Obelisco

Where is Obelisco located within Buenos Aires?

Obelisco is in Plaza de la República in the San Nicolás district of central Buenos Aires, at the intersection of Avenida 9 de Julio and Avenida Corrientes.

What can visitors expect when they reach Obelisco?

Visitors encounter a tall concrete monument rising from a paved plaza, surrounded by wide multi-lane roads, with views along Avenida 9 de Julio and nearby streets.

What makes Obelisco distinctive among city landmarks?

Its combination of modernist concrete form, 1936 origin, position marking the first raising of the national flag and alignment with Avenida 9 de Julio gives Obelisco a particular character.