 It did not appear on the map of Coello until(1861), although the " Unquera Cove " is mentioned in the Tina Mayor estuary.Unquera may have developed at the end of the XIX century thanks to the improvement of communications, especially by the railroad, and for the commercial boom of the region, possible after the opening of the gorge road (later N-621) in 1863.This road was used as a way to export, through the Unquera inlet, raw materials from Liébana and the La Hermida gorge to England, Belgium and (Germany).