It connects Pichilemu and the southern commune of Paredones and the Bucalemu beach resort.
Carlos Echazarreta Iñiguez, 27th and 30th Mayor of Pichilemu (1963–67; 1973)
Víctor Eduardo Parraguez Galarce (born 21 October 1935) was the 32nd Mayor of the commune of Pichilemu, office which he held between 1975 and 1979, after being appointed by the government junta presided by General Augusto Pinochet.
Emilio Merino Lacoste was appointed Mayor of Pichilemu by the military government of General Augusto Pinochet in 1983.
In 1900, Francisco Javier Asalgado was elected segundo alcalde of Pichilemu, as José María Caro Martínez began his third term as mayor (primer alcalde) of the commune.
Gustavo Osvaldo Parraguez Galarce (born 24 May 1943) is the municipal secretary of Pichilemu, and was the interim Mayor of the commune of Pichilemu three different times, in 1992, 2007, and 2008.
Jorge Vargas González, Chilean politician, mayor of Pichilemu 1997–2007
He was appointed mayor of the junta de vecinos (neighbors' council) of Pichilemu by decree of President Carlos Ibáñez del Campo following Evaristo Merino's resignation in May 1928.
He was the 33rd Mayor of the commune of Pichilemu, office which he held between 1979 and 1981, after being appointed by the government junta presided by General Augusto Pinochet.
José María Caro Martínez (1830–1916), Mayor of Pichilemu, Chile; and his son
Bichón spent his final years in Pichilemu and at his home in El Tambo, a town located twenty kilometers east of San Vicente de Tagua Tagua, Cachapoal Province, where he died of cancer just four days after turning 81, on 18 May 2013, approximately at 06:10 local time (10:10 UTC).
Orlando Cornejo Bustamante (born 26 October 1929) was the 37th Mayor of the commune of Pichilemu, office which he held between September 1992 and December 1996, representing the Progressive Union of the Centrist Center (UCC).
It is named after the hacienda San Antonio de Petrel, located nearby Pichilemu.
In April 2003, the councillors of Pichilemu Roberto Córdova, Aldo Polanco, Washington Saldías, and Carlos Leyton filed a complaint for the crimes of embezzlement, falsification of public documents, fraud, incompatible negotiation, bribery, fraud and conspiracy against the former head of the Department of Community Development of Pichilemu, Héctor Vargas.
René Gabriel Maturana Maldonado (1955–12 August 2009) was a Chilean journalist and the 36th Mayor of Pichilemu, holding the position from his appointment by President Augusto Pinochet Ugarte on 31 August 1984 until his resignation in April 1992.