Palacio de la Legislatura and the Historic Carillon Clock Tower

Why is it significant?

Dominating the intersection of Calle Perú and Diagonal Sur stands the monumental Palacio de la Legislatura Porteña, the parliament building of the autonomous City of Buenos Aires.

Key Facts

Open the walk

Dominating the intersection of Calle Perú and Diagonal Sur stands the monumental Palacio de la Legislatura Porteña, the parliament building of the autonomous City of Buenos Aires. Designed by Argentine architect Héctor Ayerza and inaugurated on October 3, 1931, during the golden era of civic architecture, this palace exemplifies French Academic Classicism inspired by the grand Louis the Sixteenth neoclassical style. Its triangular footprint accommodates grand marble staircases, soaring Corinthian columns, and a majestic semicircular parliamentary chamber paneled in fine walnut and oak.

Look up toward the sky at the dramatic ninety-seven-meter tower modeled after the municipal belfries of northern France: it contains a four-dial clock imported from Germany and an extraordinary musical carillon.

Cast by the famous Apolda bell foundry in Germany, this carillon consists of thirty bronze bells weighing more than twenty-seven metric tons. When inaugurated, it was considered one of the largest and most complex musical carillons on the American continent, capable of playing intricate classical melodies and traditional Argentine hymns across the city streets. The palace has also witnessed poignant chapters of humanitarian diplomacy: between 1946 and 1952, Eva Perón maintained her personal charitable headquarters here, operating the Eva Perón Foundation from the lavish Golden Hall on the first floor. Every morning, thousands of impoverished citizens, orphans, and single mothers lined the corridors of Diagonal Sur seeking medical care, sewing machines, housing vouchers, and direct aid from Evita herself. The hall is a faithful recreation of the Hall of Mirrors at Versailles, adorned with twenty-four-karat gold leaf and Austrian crystal chandeliers.

The harmonious chime of thirty bronze bells sounding above the bustling downtown avenue reflects the civic ambition of 1930s Buenos Aires. Looking upward past the ornate Corinthian pediments and classical granite masonry, you can appreciate the timeless grandeur that once defined South America's wealthiest commercial capital.

Walk northwest along Diagonal Sur to enter Avenida de Mayo at the historic Pasaje Roverano.