Río Negro

Río Negro was the first wine region in Patagonia to be farmed on a large scale, developed in the late 19th century by Argentine and European settlers. The British-built irrigation channels of the 1820s made viticulture possible in this arid landscape. The region experienced a significant decline in the second half of the 20th century, but a revitalization began in the early 2000s when European investors arrived. Among the most influential was Piero Incisa della Rocchetta, whose work at Bodega Chacra helped establish Río Negro as a serious fine wine destination.

• First large-scale wine region in Patagonia, developed in the late 19th century
• Irrigation infrastructure dates to British colonial activity in the 1820s
• Declined through the latter 20th century before a major revival from the early 2000s
• Piero Incisa della Rocchetta was a key figure in the modern revival

The climate in Río Negro is dry continental, characterized by very low humidity of no more than 30% and minimal annual rainfall averaging just 7 inches. The region sits between 250 and 330 meters above sea level. What defines viticulture here is the extreme diurnal temperature variation: night temperatures fall by up to 40 degrees, slowing ripening, retaining natural acidity, and locking in aromatic intensity. The Rio Negro river itself is formed by the confluence of the Neuquén and Limay rivers, and the valley's ancient riverbed composition shapes the soils throughout the appellation.

• Maximum humidity of 30% with only 7 inches of annual rainfall
• Elevation of 250-330 meters above sea level
• Night temperatures drop up to 40 degrees, a critical factor in wine quality
• The Rio Negro river is formed by the Neuquén and Limay rivers

The soils of Río Negro reflect the region's ancient riverbed origins. Alluvial deposits dominate, composed of limestone, sand, clay, and gravel. Sandy loams and silty loams are common across the valley floor. This well-draining, mineral-rich composition stresses the vines naturally, encouraging deep root growth and contributing to the mineral characteristics found in the wines. The Mainqué area, where Bodega Chacra farms, features slightly sandy soils ideal for Pinot Noir.

• Alluvial soils with limestone, sand, clay, and gravel from ancient riverbeds
• Sandy loams and silty loams are the most common soil types
• Well-draining soils naturally stress vines and encourage deep rooting
• The Mainqué area has notably sandy soils suited to Pinot Noir

Río Negro grows a range of varieties well suited to its cool conditions. Pinot Noir and Sauvignon Blanc are the region's signature grapes, alongside Chardonnay, Semillón, Riesling, Malbec, Merlot, and Cabernet Sauvignon. The wines are light to medium-bodied with elegant structure, good natural acidity, and mineral character. These are cool-climate expressions quite distinct from the richer, fuller styles found further north in Mendoza. Bodega Chacra's Barda is produced from the youngest estate vineyards, planted in 1990, using 100% Pinot Noir fermented with indigenous yeasts, aged 50% in concrete and 50% in French oak for 11 months, and bottled unfiltered.

• Pinot Noir and Sauvignon Blanc are the flagship varieties
• Also grown: Chardonnay, Semillón, Riesling, Malbec, Merlot, Cabernet Sauvignon
• Wines are light to medium-bodied with high natural acidity and mineral character
• Bodega Chacra's Barda is 100% Pinot Noir, unfiltered, fermented with indigenous yeasts

Three producers define the region's reputation today. Bodega Chacra, founded with involvement from Piero Incisa della Rocchetta, is internationally recognized for its biodynamic and organic Pinot Noir from ungrafted, massale-selected vines. Humberto Canale is the most established estate in the valley, with a long history in the region. Agrestis represents a newer wave of small-scale, terroir-focused producers helping to build Río Negro's profile.

• Bodega Chacra is the region's benchmark producer, known for biodynamic Pinot Noir
• Humberto Canale is one of the valley's longest-established estates
• Agrestis represents the newer generation of artisan producers
• Chacra farms ungrafted vines using massale selection and organic and biodynamic practices