The Negrone is an long

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

principally in Italy that flows through the

regions In geography, regions, otherwise referred to as zones, lands or territories, are areas that are broadly divided by physical characteristics (physical geography), human impact characteristics (human geography), and the interaction of humanity and t ...

Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...

and

Liguria Liguria (; lij, Ligûria ; french: Ligurie) is a Regions of Italy, region of north-western Italy; its Capital city, capital is Genoa. Its territory is crossed by the Alps and the Apennine Mountains, Apennines Mountain chain, mountain range and is ...

. Rising at Cime de Missun in the

Ligurian Alps The Ligurian Alps are a mountain range in northwestern Italy. A small part is located in France. They form the south-western extremity of the Alps, separated from the Apennines by the Colle di Cadibona. The Col de Tende and the Vermenagna valley ...

of France, the river, alongside the

Tanarello The Tanarello is a small river (stream) in Italy that gives rise to—alongside the Negrone—the Tanaro river in Liguria. Rising from springs located on the northern slope of Monte Saccarello in the Ligurian Alps in Piedmont, the Tanarello ...

, forms the

Tanaro The Tanaro (; pms, Tane ; ; la, Tanarus), is a long river in northwestern Italy. The river begins in the Ligurian Alps, near the border with France, and is the most significant right-side tributary to the Po in terms of length, size of dra ...

river, itself a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the Po. The Negrone is known by several other names in different areas.

Etymology

The origin of ''Negrone'' is uncertain; a combination of ''

negro In the English language, ''negro'' is a term historically used to denote persons considered to be of Black African heritage. The word ''negro'' means the color black in both Spanish and in Portuguese, where English took it from. The term can be ...

'' (black) and the suffix '' -one'', it is traced by some to the dark colour of the rocks that emerge in various parts of the creek bed, while others have suggested that the name is derived from the shadyness of the valley traversed by the stream.

Course

The Negrone originates as the Giareto or Ciairello stream on the eastern slope of the Cime de Missun in the

of France, near the

France–Italy border The France–Italy border is 515 km (320 mi) long. It runs from the Alps in the north, a region in which it passes over Mont Blanc, down to the Mediterranean coast in the south. Three national parks are located along the border: Vanoise National ...

. It then flows a northeasterly course into the municipality of

Briga Alta Briga Alta is a ''comune'' (municipality) in the Province of Cuneo in the Italian region Piedmont. Geography The village is located about south of Turin and about southeast of Cuneo, on the border with France. Briga Alta borders the followi ...

, in

Northwest Italy Northwest Italy ( it, Italia nord-occidentale or just ) is one of the five official statistical regions of Italy used by the National Institute of Statistics (ISTAT), a first level NUTS region and a European Parliament constituency. Northwes ...

. After briefly flowing into

, after the stream reaches the

Strada Provinciale 97 Strada is a chain based in the United Kingdom of branded restaurants specialising in Italian cuisine with two Strada sites and six Coppa Clubs, all in Southern England. History The concept was spawned by Luke Johnson in 2000 and, over five y ...

road it proceeds to form the boundary between Piedmont and Liguria. After changing its name to the Corvo just before the stream reaches

Upega Upega ( Brigasc dialect: Üpega) is a ''frazione''—similar to a hamlet—located in the ''comune'' (municipality) of Briga Alta, Province of Cuneo in the region of Piedmont, Italy. It is one of three frazioni that form Briga Alta, alongside Car ...

in Piedmont, it collects the waters of the Nivorina and finally receives the name Negrone, turning eastward. After receiving the waters of the Rio Regioso, the Negrone proceeds to flow a southeasterly course. At Pian Laiardo—between the municipalities of

Cosio d'Arroscia Cosio di Arroscia ( lij, Coxe, locally ) is a ''comune'' (municipality) in the province of Imperia in the Italian region Liguria, located about southwest of Genoa and about northwest of Imperia. History In 1957 the Avant-Garde Groupe Situation ...

and

Ormea Ormea is a ''comune'' (municipality) in the Province of Cuneo in the Italian region Piedmont, located about south of Turin and about southeast of Cuneo. Ormea borders the following municipalities: Alto, Armo, Briga Alta, Caprauna, Cosio di ...

—it is joined by the

river, giving rise to the

References

Sources

*{{cite journal, url=https://iris.unito.it/retrieve/handle/2318/1552718/116285/54-59%20Po%20la%20lunga%20via-approfondimenti-2.pdf, last=Badino, first=Giovanni, date=December 2015, title=La Lunga Via dell'Acqua, trans-title=The Long Way of Water, journal=Speleologia, publisher=

University of Turin The University of Turin (Italian: ''Università degli Studi di Torino'', UNITO) is a public research university in the city of Turin, in the Piedmont region of Italy. It is one of the oldest universities in Europe and continues to play an impo ...

, language=Italian, issue=73, pages=54–59, issn=0394-9761, via=AperTO, access-date=4 September 2022 Rivers of Italy Tributaries of the Tanaro