Obelisco, the concrete landmark at Buenos Aires’ crossroads

Obelisco in Buenos Aires is a tall reinforced-concrete monument standing in Plaza de la República, where Avenida 9 de Julio meets Avenida Corrientes, and it has become a fixed point in the city’s urban landscape since its inauguration in 1936.

A modernist shaft marking Buenos Aires’ foundations

Obelisco was inaugurated on 23 May 1936 as a monumental marker of the fourth centenary of the first foundation of Buenos Aires in 1536, tying a twentieth-century concrete form to a sixteenth-century colonial beginning.Inaugurated on 23 May 1936 The monument stands in Plaza de la República, a traffic island-like square at the junction of the broad east–west axis of Avenida 9 de Julio and the north–south run of Avenida Corrientes, placing it literally at a crossroads of Buenos Aires’ central grid.Plaza de la República at Corrientes and 9 de Julio

The design is attributed to Argentine architect Alberto Prebisch, a leading figure of national modernism and also the author of the nearby Gran Rex Theatre on Corrientes, which reinforces the connection between the monument and the city’s cultural avenue.Designed by architect Alberto Prebisch Built in reinforced concrete and clad in pale stone, Obelisco adopts the traditional obelisk form in a stripped-back way, with plain faces and a tapering profile, so the emphasis falls on its height and position rather than on ornament.

Concrete, dimensions and inscriptions

Obelisco rises to about 67.5 m (221 ft), a height that makes it a dominant vertical accent against the low and mid-rise fabric of central Buenos Aires, particularly along the wide corridor of Avenida 9 de Julio.Height of 67.5 metres Its base is square in plan, with sides measuring several metres, and the structure narrows steadily as it climbs, ending in a simple pointed top, all rendered in pale material that catches daylight against the darker asphalt and façades around it.

The shaft carries inscriptions on its faces that reference key moments in the city’s history, including the first foundation in 1536, the refounding by Juan de Garay in 1580, the raising of the Argentine flag in 1812 and the designation of Buenos Aires as national capital in 1880, turning the monument into a chronological marker as well as a visual one.Inscriptions noting foundations and flag-raising Construction records describe the use of hundreds of cubic metres of reinforced concrete and a facing of white stone from Córdoba, giving the structure both mass and a distinct light-coloured skin against the urban backdrop.Reinforced concrete with white stone cladding

From national monument to everyday reference point

Obelisco has been declared a national historic monument of Argentina, formalising its status as a symbol of the capital and embedding it within the country’s catalogue of protected heritage sites.National historic monument designation In everyday use it serves as a central reference point: its position at the junction of major avenues makes it a common landmark for directions, meeting places and civic gatherings, even when visitors only encounter it briefly in passing traffic or from the pavements around Plaza de la República.

Approach routes lead from the surrounding pavements towards the monument, where the square layout of Plaza de la República opens views along both Avenida 9 de Julio and Corrientes, placing Obelisco in a continuous visual dialogue with theatre façades, office blocks and the flow of vehicles. The presence of nearby buildings such as the Gran Rex Theatre on Corrientes, also designed by Alberto Prebisch, reinforces how the monument belongs to a broader modernisation of the central area in the 1930s.Modernisation of Avenida Corrientes and Plaza de la República

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 central Buenos Aires, and is reached on foot from surrounding streets and public transport stops.
• The immediate terrain around Obelisco consists of paved surfaces, kerbs and pedestrian crossings between wide multi-lane roads, so visitors move between pavements and traffic islands when approaching the monument.
• Obelisco is located in Argentina, where the official language 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 in Buenos Aires?

Obelisco stands in Plaza de la República at the junction of Avenida 9 de Julio and Avenida Corrientes in the central area of Buenos Aires.

What should visitors expect when they come to Obelisco?

Visitors encounter a tall concrete monument rising from a paved square surrounded by wide multi-lane avenues, with views along major city streets and constant movement around it.

What makes Obelisco distinctive among Buenos Aires landmarks?

Obelisco is distinctive for its modernist concrete obelisk form, its height of about 67.5 m (221 ft) and its role as a national historic monument marking key dates in the city’s history.