100% Tempranillo from a proprietary 37 acre vineyard in La Veguilla, in San Vicente de la Sonsierra, La Rioja, that sits at an altitude of 575 m (1,890ft) with a South-Southeast exposure. The soils are clay-limestone composition with abundance of small rounded stones on the surface. The vines are 20-35 years-old, head-trained in goblet and on trellis, and yields 29 Hl/ Ha. (304 gal/acre), and are organically fertilized every 2 years. Painstakingly hand-harvested in boxes, of only perfectly healthy, ripe grapes (only 8-10% of the bunches were chosen) with additional selection made in the winery using a sorting table. Destemmed by hand with a rigorous inspection of every grape. Cold pre-fermentative maceration at 6º C. for 6 days and then macerated with the skins for 14 days. Fermented in French oak barrels of 5 hl capacity and in 2 French oak vats of 10 hectoliters. Pressed by foot twice per day during the 8 days of fermentation. Malolactic fermentation in new French Bordelaise oak barrels. Aged 24 months in new French Bordelaise oak barrels.

Founded by Guillermo Eguren, a self-made "bodeguero", coming from a family tradition of vine growers. Today, the fourth generation of the Eguren family, Marcos Eguren, is the winemaker and director of the winery. Sierra Cantabria has come to the forefront of Spanish wineries in the last 15 years. This is from the extreme care that they give to their vineyards, located in the best terrain of Rioja, the savoir-faire of Marcos Eguren, and his price-conscious policies. Vineyards are located in San Vicente de la Sonsierra, Rioja Alta. One of the most famous towns in Rioja, known for the quality of its grapes. The grapes are sourced on 267 acres (108 ha), from 1,440-1,740 ft. above sea level (480-580 m), spread among the towns of San Vicente de la Sonsierra, Labastida, and Laguardia. The proportions of grapes are 91% Tempranillo, 3% Malvasia, and 6% Viura. 75% of the production comes from their own vineyards, the rest they buy from local growers. They have been doing ecologically conscious agriculture in their own vineyards for the last 12 years. Average production 0.5 t/acre (hectare is 5,000 kg). The soil is composed of Clay-lime, the best soil of Rioja. The climate is Continental, with the influence of winds from the Atlantic, but protected from more severe weather by the Sierra Cantabria Mountains.