Some notable points of interest in Pilar are:
October 12 Square. Declared a National Historic Landmark on May 21, 1942. The city has an urban design around a rectangular plaza which in turn gives rise to the trace the streets and a grid amanzanamiento. The square is graced
Ginkgo biloba, planted between 1958 and 1962.
Treaty of Pilar. Signed here on February 23, 1820, it marked the origin of the federal system of government and made the city the "cradle of federalism" in Argentina. The pact, signed in the original chapel of Pilar by Francisco Ramírez, Estanislao López, and Manuel de Sarratea, ended
the war between the provinces of
Entre Ríos and
Santa Fe against Buenos Aires.
Municipal Palace. Is cornerstone was laid in 1896 by the Governor of the Province, Guillermo Udaondo. The first Municipal Mayor was Thomas Márquez. The building originally housed four dungeons.
Our Lady of the Pilar. Begun as a simple adobe structure in 1821 under the direction of architect José Villa, the vault of the nave and the upper floors were made from 1840. The work was then interrupted until 1854 and continued until its conclusion directed by architect Roque Petrocchi. It was declared a National Historic Landmark on December 7, 1994.
Mayor Lorenzo López Historical Museum. The Museum preserves and exhibits historical and religious artifacts from Pilar. Of particular interest is the display of objects linked with the signing of the Treaty of Pilar.
Cross of Pilar. Located on the corner of the intersection of Pedro Lagrave and Paraná streets, it's believed to have been placed in 1790 by Spanish missionaries traveling north from Buenos Aires; another version has it that this cross was placed as a guidepost when the original settlement was moved to its current location. The first mass in Pilar was held here, and with the advent of bricks as building material in the 19th century, the old wooden cross was replaced by masonry.
The Site of the Miracle. The site, known originally as Rosendo's Post, where the miracle of the
Virgin of Luján reportedly took place in 1630. There are two milestones that make reference to the miracle: a small altar with the image of the Virgin of Luján; and an old adobe chapel. The Ministry of Culture of the Nation declared this a National Historic Landmark. from Pilar Nature Reserve.
Pilar Nature Reserve. Established on 20 August 2003, the reserve made use of five former military lots bordering the north bank of the Luján River and totals . A series of lagoons make it home to a profusion of
roman cassie,
Jerusalem thorn,
tule,
catay,
waxyleaf nightshade and other flora, as well weasels, rabbits, nutria, skunks, amphibians, reptiles, and over 60 species of birds.
Polo and golf. Pilar is known in Argentina as the National Capital of Polo. The Argentina Polo Association is headquartered in Pando-Carabassa Castle, built in the late nineteenth century. The site has nine fields and is home to the most important tournaments in the country. ==Economy and real estate development==