Naranjo de Bulnes

The Naranjo de Bulnes is a limestone peak courting from the paleozoic technology, placed in the Macizo Central place of the Picos de Europa, Asturias. Its name Picu Urriellu is believed to be derived from the time period Los Urrieles that's used to describe the Macizo Central. Naranjo de Bulnes is a part of the Cabrales area of Asturias, and lies within the Picos de Europa National Park. The first written reference to "Picu Urriellu" as "Naranjo de Bulnes" is credited to the German geologist and engineer, Wilhelm Schulz, who in 1855, posted the first topographic and geological map of Asturias.

As far as is thought the etymology of this call isn't always clean, due to the fact, historically, the nearby population usually noted the mountain as "Picu Urriellu". It has been suggested that the name may be attributed to the orange hue of the limestone from which the height is fashioned. The local residents of Bulnes have a pronouncing regarding the contentious name: "No me llameis Naranjo, pues fruto no puedo dar, llamadme Picu Urriellu que es mi nombre herbal".