Maipo Valley DO

The first vines were planted around Santiago at the city's founding in the 1540s, but it was not until the 1800s that viticulture began to expand significantly. Wealthy Chileans, enriched by mining in the Atacama Desert, travelled to France and returned with Bordeaux grape varieties to plant on their new estates. The vineyards of Cousiño Macul, Concha y Toro, and Santa Rita were all established during this period and remain among the most important names in Chilean wine today. Santa Rita was founded in 1880 by Don Domingo Fernández Concha in the Alto Jahuel area of the Maipo Valley, and Concha y Toro followed in 1883 when Don Melchor de Santiago Concha y Toro imported Cabernet Sauvignon, Merlot, Sauvignon Blanc, Semillon, and Carménère from Bordeaux to plant in Pirque.

• The first vines in Chile were planted in the Maipo Valley in the 1540s, shortly after Spanish colonists established Santiago in 1541
• Bordeaux variety imports became widespread from the 1880s as wealthy Chileans looked to France for viticultural inspiration, techniques, and vine cuttings
• Santa Rita's estate has historical significance: the property served as a refuge for 120 Chilean independence soldiers in 1814, a legacy commemorated in its entry-level '120' wine label
• Cousiño Macul, founded in 1856, is one of the few Chilean wineries from that era still family-owned, with its iconic Antiguas Reservas Cabernet Sauvignon first produced in 1927

Maipo sits at the very northern end of Chile's Central Valley, running from just north of the Rapel Valley up to the southern suburbs of Santiago. The Coastal Range separates the valley from the Pacific, while the Andes rise dramatically to the east, separating Maipo from Argentina's Mendoza. The climate is Mediterranean, with warm, dry summers moderated by cold air descending from the Andes at night. Annual rainfall averages around 313 mm, concentrated between April and September, making drip irrigation essential. Alto Maipo in the Andean foothills, at 400 to 800 metres above sea level, benefits from the greatest day-to-night temperature variation, producing Cabernet Sauvignon of exceptional freshness and structure.

• Alto Maipo rises from 400 to 800 metres above sea level; colluvial, rocky soils are free-draining and force vines to develop deep roots, concentrating flavour
• Large diurnal temperature swings in Alto Maipo, caused by cold Andean air descending at night, slow ripening and preserve natural acidity in Cabernet Sauvignon
• Central Maipo, centred on the towns of Buin and Paine to the west of Alto Maipo, has a slightly warmer climate and more clay-based, fertile soils, yielding a fuller but less refined style
• Maipo Bajo (also called Pacific Maipo), centred on Isla de Maipo and Talagante, is the lowest and most westerly sub-region; cool breezes create mesoclimates suitable for white varieties near the Maipo River

Cabernet Sauvignon is undoubtedly Maipo's most celebrated variety, occupying over half the valley's vineyard area. Maipo reds are full-bodied with substantial but ripe tannins and are often distinguished by pronounced minty aromas, particularly in wines from higher-altitude Alto Maipo vineyards. This character, combined with naturally good structure, gives top wines considerable ageing potential. Alongside Cabernet Sauvignon, Merlot and Carménère are used in Bordeaux-inspired blends, while Cabernet Franc and Petit Verdot add complexity to premium cuvées. Syrah performs well in the warmer Central Maipo, while white varieties including Sauvignon Blanc and Chardonnay are cultivated in cooler coastal sites near the Maipo River.

• Cabernet Sauvignon dominates plantings; approximately 6,400 hectares of the roughly 10,000 ha total are planted to Cabernet Sauvignon, with Merlot accounting for around 1,100 ha
• Top Alto Maipo Cabernet, such as Don Melchor and Almaviva, is typically a blend led by Cabernet Sauvignon with small additions of Cabernet Franc, Merlot, and occasionally Petit Verdot
• The characteristic minty, eucalyptus note in Alto Maipo Cabernet is most pronounced in high-altitude vineyards and is considered a hallmark of the sub-region's terroir
• Wines such as Concha y Toro's Don Melchor, Santa Rita's Casa Real, and Cousiño Macul's Antiguas Reservas are built for ageing and can develop beautifully over a decade or more

Maipo Valley is home to a large share of Chile's most recognised wineries, including Concha y Toro, Almaviva, Carmen, Santa Rita, Cousiño Macul, Undurraga, Pérez Cruz, Haras de Pirque, Antiyal, and Viña Aquitania. Concha y Toro, founded in 1883 and now Latin America's largest wine producer, launched its flagship Don Melchor in 1987 from the Puente Alto vineyard covering approximately 127 hectares in the Andean foothills. The Almaviva winery, created in 1997 through a partnership between Baroness Philippine de Rothschild and Concha y Toro, is dedicated to producing a single, ultra-premium Bordeaux-style blend from Puente Alto. Santa Rita, part of Grupo Claro since the 1980s, is celebrated for its Casa Real Cabernet Sauvignon from the Alto Jahuel area, first vintaged in 1989.

• Concha y Toro was founded in 1883 by Don Melchor de Santiago Concha y Toro, ex-Minister of Finance, who imported Bordeaux varieties directly from France to his estate in Pirque
• Don Melchor became an independent brand, Viña Don Melchor, in 2017; the wine is sourced exclusively from the Puente Alto vineyard, approximately 127 hectares on the north bank of the Maipo River at around 650 metres
• Almaviva, established in 1997 by Baron Philippe de Rothschild and Concha y Toro, was the first wine in Chile produced under the French Grand Cru château concept, dedicated to a single wine from a single estate in Puente Alto
• Newer producers including the biodynamic Viña Antiyal (led by winemaker Álvaro Espinoza), Haras de Pirque, El Principal, and Pérez Cruz have brought fresh energy and excitement to the valley's red wine scene

Maipo Valley is an officially recognised Denominación de Origen (DO) within Chile's Central Valley wine zone. The valley is commonly divided into three sub-regions with distinct terroir characteristics. Alto Maipo, encompassing the prestigious areas of Puente Alto and Pirque along the Andean foothills at 400 to 800 metres, is widely regarded as the source of the valley's finest red wines, thanks to its cool nights, poor rocky soils, and strong Andean influence. Central Maipo, surrounding the towns of Buin and Paine, is warmer and lower-lying with more fertile soils. Maipo Bajo, centred on Isla de Maipo and Talagante, is more focused on winemaking than viticulture, with producers such as Undurraga and De Martino drawing on fruit from across the country.

• Alto Maipo is the most prestigious sub-region; its Puente Alto and Pirque sectors are sometimes called the valley's unofficial 'Grand Crus,' home to Don Melchor, Almaviva, and Viñedo Chadwick
• Alto Maipo vineyards sit between 400 and 800 metres above sea level; cool nights from Andean air drainage slow ripening and maintain the high acidity and structure essential for ageing
• Central Maipo (also called Maipo Medio) is warmest and driest of the three sub-regions, with rocky alluvial soils and less rainfall, requiring drip irrigation throughout the growing season
• Chilean wine law uses the Denominación de Origen system; wines labelled with a DO such as Maipo Valley must contain a minimum of 75 percent fruit from that named region

Maipo Valley is situated fewer than 40 kilometres from central Santiago, making it the most accessible wine region in Chile and a natural first stop for wine tourism in the country. Santa Rita's estate in Alto Jahuel offers a beautifully landscaped 40-hectare park, the Hotel Casa Real in the winery's restored 19th-century mansion, a neo-Gothic chapel built in 1880, the Museo Andino housing a collection of pre-Hispanic artefacts, and the Doña Paula restaurant named for the patriot who sheltered independence fighters on the estate. Concha y Toro's winery in Pirque, less than 40 minutes from downtown Santiago, is one of Chile's most-visited tourist attractions. Haras de Pirque, the Matte family's boutique estate, is notable for its horseshoe-shaped winery building, a nod to the family's long passion for horse breeding.

• Santa Rita, founded in 1880, offers one of Chile's most complete wine tourism experiences: hotel accommodation, vineyard tours, tastings, restaurant dining, a museum, and heritage architecture all on one estate
• The Museo Andino at Santa Rita houses an important collection of pre-Hispanic archaeological and ethnographic artefacts from the Andean region
• Concha y Toro's Pirque estate, the winery's founding property from 1883, welcomes visitors with cellar tours, tastings, and access to the historic Casona mansion
• Viña Antiyal, led by biodynamic pioneer Álvaro Espinoza, offers intimate, personally guided tours and tastings at its small 10-hectare estate in Maipo