The Ribeira Sacra earned its name not from a single monastery but from the eighteen Romanesque foundations that cling to its canyon walls, built between the tenth and thirteenth centuries when Benedictine and Cistercian orders sought refuge in the gorges carved by the Sil and Miño rivers. The region's isolation preserved both architectural integrity and a winemaking tradition that predates Roman occupation; terraced vineyards still cascade at gradients approaching seventy degrees, their heroic viticulture producing Mencía and Godello grapes harvested entirely by hand. Today, the Ribeira Sacra attracts visitors who depart Santiago de Compostela seeking landscapes that rival the pilgrimage city's spiritual weight but deliver it through geology rather than devotion. The Sil Canyon cuts four hundred meters deep in places, its schist and granite walls draped in chestnut and oak forest that turns copper each autumn. River cruises depart from Santo Estevo and Belesar, threading beneath the balconied Monastery of Santa Cristina de Ribas de Sil, whose three-tiered cloister mixes Romanesque austerity with Renaissance proportion. The tour route typically incorporates Ourense's thermal springs, where the Burgas fountains have flowed at sixty-seven degrees Celsius since before written record, and the newer riverside pools at As Burgas allow bathers to alternate between the Miño's chill and mineral-heated basins. Architecturally, the sacred valley represents Galicia's Romanesque zenith: the Monastery of Santo Estevo de Ribas de Sil, now a parador, preserves three cloisters spanning six centuries, while San Pedro de Rocas occupies caves hand-cut into granite outcrops in the sixth century, its altar carved from living rock. The vineyards themselves function as archaeological sites; stone lagar presses and cantilevered pulley systems remain operational in plots worked by the same families for twenty generations. Wine cellars burrow into hillsides at controlled humidity, aging Ribeira Sacra denominación de origen bottles that pair the region's slate minerality with red-fruit brightness. Accessibility transformed in 2010 when paved viewpoints opened at Os Balcóns de Madrid and Cabezoás, offering vertiginous sightlines over the Sil's horseshoe bends without requiring the hiking stamina previously mandatory. Yet the canyon's drama still unfolds best from water level, where catamaran tours reveal the full scale of the valley's verticality and the improbable locations monks chose for their chapels, built where landslides and floods could erase centuries of devotion in an afternoon but never did.