Sparkling Montonega 'Ancestral'

100% Montònega (a high-quality, pink-berried clone of Parellada) • 40-60 year-old terraced vines of poor clay-limestone soil at 600m altitude • partially fermented with indigenous yeast in tank • primary fermentation completes in bottle at around 10% ABV at dryness • minimal added sulfur (<20mg/L) • Certified Organic (CCPAE)