San Juan, Argentina

San Juan
Nickname(s): "Oasis City"
San Juan

Location in Argentina

Coordinates: 31°32′03″S 68°31′34″W / 31.53417°S 68.52611°W / -31.53417; -68.52611
Country Argentina
Province San Juan
Department Capital Department
Settled 1562
Founded by Juan Jufré
  Mayor Marcelo Lima
  City 30 km2 (10 sq mi)
Elevation 640 m (2,100 ft)
Population (2001)[1]
  City 112,778
  Density 3,759.3/km2 (9,737/sq mi)
  Urban 453,000
  Demonym sanjuanino
Time zone ART (UTC−3)
CPA Base J 5400
Area code(s) +54 264
Website Official website

San Juan (Spanish pronunciation: [saŋ ˈxwan]) is the capital city of the Argentine province of San Juan in the Cuyo region, located in the Tulúm Valley, west of the San Juan River, at 650 m (2,133 ft) above mean sea level, with a population of around 112,000 as per the 2001 census [INDEC] (over 500,000 in the metropolitan area).

It is a modern city with wide streets and well drawn avenues with wide sidewalks and vegetation of different species of trees irrigated by canals, from which it derives its nickname oasis town.

It has an important accommodation infrastructure and transportation. It highlights modern buildings and the surroundings, the reservoir and Ullum dam, spas, museums, large plantations of vines, and various types of agriculture, with wine being the most important.

History and architecture

Before the arrival of the Spanish Conquistadores, the Huarpe Indians inhabited this area.

San Juan de la Frontera was founded on June 13, 1562 by Juan Jufré at the shore of the San Juan River. In 1593 flooding damaged the town, for which reason its setting was moved 2.5 kilometres (1.6 mi) south to its current location.

Downtown San Juan, around 1910.

San Juan was a sleepy, provincial town during colonial times (1562–1810) and took practically no part in the internal wars that devastated Argentina in its so-called Organizational Period (1820-1860.) Two of the most prominent members of the 1816 Congress of Tucumán which declared Argentina's independence from Spain, however, came from San Juán: Francisco Narciso de Laprida, who was president of the congress, and San Juan's bishop Friar Justo Santa María de Oro, a Dominican friar and an eloquent speaker whose persuasive oratory was largely responsible for Argentina becoming a republic and not a monarchy like Brazil.

Probably the most important and famous city son was Fray Justo's nephew, and president of Argentina between 1868 and 1874, Domingo Faustino Sarmiento, whose birthplace was turned into a National Historical Monument in 1910, during the administration of president Roque Sáenz Peña.

1944 San Juan earthquake

On January 15, 1944, a powerful earthquake devastated the city, killing around 10,000 people and leaving half of the provincial population homeless. Another quake, 7.4 in the Richter magnitude scale, struck 80 km northeast of the city on November 23, 1977, causing considerable damage and killing 65 people around the province.

After the disaster of 1944, the city was reconstructed on concentric boulevards, with straight, well-lit, tree-lined avenues and modern housing. It has mostly lost its colonial aspect, but retains an open, sunny Mediterranean look.

Geography and climate

The city of San Juan is located in a fertile valley within a rocky mountainous area. Winter temperatures are generally mild, averaging between 1 °C (33.8 °F) and 16 °C (60.8 °F), but can drop below −9 °C (15.8 °F). Summers are hot, with average temperatures between 19 °C (66.2 °F) and 35 °C (95.0 °F), and a record maximum of 46.7 °C (116.1 °F) on December 20, 1995.[2] Sunny weather is common in all months and San Juan averages about 3,361.3 hours of bright sunshine, or about 76% of possible sunshine,[3] ranging from a low of 68% in June to a high of 81% possible sunshine in May.[4][5] Under the Köppen climate classification, San Juan has a desert climate (BWh/BWk).

Climate data for San Juan Airport, Argentina
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 45.4
Average high °C (°F) 34.6
Daily mean °C (°F) 27.0
Average low °C (°F) 19.4
Record low °C (°F) 7.8
Average precipitation mm (inches) 15.3
Average precipitation days 4 4 3 1 1 0.6 2 1 3 1 2 3 25.6
Average relative humidity (%) 48 51 57 60 62 65 63 52 49 43 41 43 53
Mean monthly sunshine hours 337.9 293.8 282.1 273.0 232.5 207.0 238.7 254.2 264.0 303.8 324.0 350.3 3,361.3
Percent possible sunshine 78 78 74 81 71 68 75 74 74 76 79 80 76
Source #1: Servicio Meteorológico Nacional[6]
Source #2: Oficina de Riesgo Agropecuario (record highs and lows),[2] UNLP (sun only)[7]

Since very little rain falls in the region, the San Juan River has been dammed to provide a regular source of water to the city. The resulting reservoir is located in Ullum, and is known as the Quebrada de Ullum Dam. The dam also provides electrical power to the region.

Sixty-five percent of the surrounding area's agricultural production is related to wine production.

Urban aspect

The city of San Juan completely changed its appearance from a colonial one to one of the most modern in the country after the earthquake of 1944, with well-drawn and wide paved streets, ample sidewalks of tiles or mosaics, and lined with acacias, moreras and paradise trees irrigated by quaint canals.

Monument to President Domingo Sarmiento
Monument to Governor Antonino Aberastain

The city is located within the Capital District, which was planned in the form of a checkerboard anchored by Las Heras Avenue (from North to South), 25 de Mayo Av. (East to West), 9 de Julio Av. (east to west) and Guillermo Rawson Avenue (north to south). These four avenues form a perfect rectangle of 16 blocks in width (going from east to west and vice versa -horizontally-) by 10 blocks long (going up and down or North to South, and vice versa). This center of this rectangle is a square of 7 blocks in length by 6 blocks wide, delimited by Leandro N. Alem, Córdoba, Libertador San Martín and Rioja Avenues. This area is the city's downtown and, as such, is the most densely populated and concentrates most of the city's commercial, financial and institutional activities.

The most important perpendicular avenues are Mitre (known for its cinemas and cyber cafés), José Ignacio de la Roza (built after the 1944 earthquake), commercial Santa Fe Avenue, Rivadavia street (the easternmost two blocks of which have been pedestrianized), and San Martín Avenue (which leads to most access routes towards Greater San Juan). The more important parallel arteries are Mendoza Avenue (leading to Villa Krause), General Mariano Acha Av. and Rioja Avenue.

Some of the city's most important landmarks are:

Designed by architect Daniel Ramos Correa, the cathedral was inaugurated on December 16, 1979. The bell tower is a steeple of 51 meters (170 feet) in height, and features a British clock and a German carillon which sounds every 15 minutes. The interior is accessed through a bronze vestibule crafted Faenza, Italy with bas-reliefs of Saint Rose of Lima, Saint Louis of France, the Apostle Santiago, Saint Anne and several shields and emblems. In the basement of the church is the crypt, the pantheon of the bishops and the chapel of Friar Justo Santa María de Oro.

This is the city's principal urban park, providing a green space with a colorful variety of flora. The park also features 19th century-era monuments to President Domingo Sarmiento and Friar Justo Santa María de Oro. The central fountain, dating from 1871, was remodeled on several occasions.

Named for a former Governor, the park features a monument to its namesake (Antonio Aberastain).

The city's most important, pedestrianized streets, their well-landscaped setting and variety of retail outlets make them favorites among both locals and tourists.

Named to commemorate the May Revolution of 1810, the park a children's section, an artificial lake with an island, fish and aquatic birds, a velodrome, and numerous sculptures and monuments to General José de San Martín, Governor Federico Cantoni, and to sports.


The San Juan Ring Road

The city has modern transport infrastructure and is accessible via a ring road, and the South Access Freeway, among others. The city's outward growth has made a second ring road necessary, and the project is under construction. The motorway will reduce commuting times from Greater San Juan to downtown, and will also facilitate large freight truck traffic (diverting it from the city proper). It also calls for a complementary project for another motorway called South Corridor, connecting downtown San Juan with Rawson and other southern suburbs.

The urban public transport passengers from the City of San Juan consists of bus lines marked with numbers and letters (19 or 26A), linking the city centre with the various neighbourhoods and the rest of the Great San Juan. The city also has taxi service and remises.

The rapid growth of the city has necessitated new means of transportation, and a feasibility study was recently commissioned on the development of a trolley service between downtown and Greater San Juan. The proposed routes would unite Chimbas-San Juan (Center)-Villa Krause and Rivadavia-San Juan (Center)-Santa Lucia, as well as one circulating downtown.

Long distance public transport is provided by the modern Bus Terminal, with more than 6,000 sq metres (64,000 Sq ft) of area in platforms. The terminal also includes administration offices, ticketing, information, a police precinct, a first-aid room, telephone booths, shops, a restaurant, and other facilities.

Domingo Faustino Sarmiento Airport is located 15 kilometers from the city in 9 de Julio Department, more precisely in the village of Las Chacritas. This airport serves routes from San Juan to Buenos Aires.

The city is situated on National Route 40, connecting it with Mendoza (168 km) to the south and La Rioja (449 km) to the north; National Route 20 connects San Juan to San Luis (323 km to the east). Distances to other important cities are as follows: Córdoba (585 km), Catamarca (623 km) and Buenos Aires (1110 km).

Main sights

Aberastain Plaza
View of one of the pedestrian streets

The old cathedral, an 18th-century Jesuit style building, was destroyed in the 1944 earthquake, but has been replaced by a modern-Tuscan-romanesque building with a campanile. San Juan is the seat of a Roman Catholic metropolitan Archbishop and a Catholic University. San Juan possesses one of the most modern and active concert halls in Argentina, as well as many leafy parks and squares, including Parque de Mayo with its vast artificial lake.

Tourism to San Juan is centered around wine production and dégustation as well as the rock formations in places like the Ischigualasto National Park (which includes the Valle de la Luna), 330 km north of the city, and the Quebrada de Ullum Dam (18 km from the city).

An integral attraction to the province is its large Triassic period fossil record, believed to be one of the largest in the world.

There is also the Mariano Gambier Archeology museum at La Laja, Albardón county, some 25 km from the center of the city. It concerns itself with the many cultures that inhabited San Juan from Pre-History till the arrival of the Spaniards in 1560. It has a priceless collection of Indian artifacts, cave paintings and other elements of agriculture and life in the Tulum valley from the last 8500 years.

The Sarmiento Birthplace Museum.
Natural Sciences Museum.

Museums in the city include:

Wine Region

Harvest in the San Juan Region 1890
Harvest in the San Juan Region 1890

San Juan is ranked second among the wine-producing provinces of Argentina, it has a cultivated area of 116,700 acres standing between 1,970 and 4,590 feet above sea level. This region specializes in Syrah, Malbec, Cabernet Sauvignon, Bonarda, Chardonnay and Torrontés.[8] Because of this areas semi-desert climate, viticulture is dependent on irrigation from the San Juan and Jáchal Rivers.[9]

Notable residents

Bandoneon musician, composer, and arranger Juan Pablo Jofre was born and raised in San Juan before relocating to New York City.[10]


  1. "Annual Estimates of the Censo 2008 - Resultados provinciales San Juan". INDEC. 2008. Retrieved 2008-03-11.
  2. 1 2 "San Juan, San Jaun". Estadísticas meteorológicas decadiales (in Spanish). Oficina de Riesgo Agropecuario. Retrieved April 14, 2015.
  3. "Datos bioclimáticos de 173 localidades argentinas–Anuales". Atlas Bioclimáticos (in Spanish). Universidad Nacional de La Plata. Retrieved June 15, 2015.
  4. "Datos bioclimáticos de 173 localidades argentinas–Mayo". Atlas Bioclimáticos (in Spanish). Universidad Nacional de La Plata. Retrieved June 15, 2015.
  5. "Datos bioclimáticos de 173 localidades argentinas–Junio". Atlas Bioclimáticos (in Spanish). Universidad Nacional de La Plata. Retrieved June 15, 2015.
  6. "Datos Estadísticos (Período 1981-1990)" (in Spanish). National Meteorological Service of Argentina. Retrieved April 10, 2013.
  7. "Datos bioclimáticos de 173 localidades argentinas". Atlas Bioclimáticos (in Spanish). Universidad Nacional de La Plata. Retrieved June 15, 2015.
  10. Kozinn, Allan. "Taking a 'Poor Man's Church Organ' to Heavenly Heights". Music. New York Times. Retrieved 24 March 2014.
Wikivoyage has a travel guide for San Juan, Argentina.
Wikisource has the text of the 1911 Encyclopædia Britannica article San Juan.

Coordinates: 31°32′03″S 68°31′34″W / 31.53417°S 68.52611°W / -31.53417; -68.52611

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