The Buthier is a mountain torrent in north-west
Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...
. A
left bank
In geography, a bank is the land alongside a body of water. Different structures are referred to as ''banks'' in different fields of geography, as follows.
In limnology (the study of inland waters), a stream bank or river bank is the terra ...
tributary of the
Dora Baltea
Dora Baltea () or Doire Baltée () is a river in northwestern Italy. It is a left-hand tributary of the Po and is about long.
Name
The river's Latin name was ''Duria maior'', ''Duria Baltica'' or ''Duria Bautica''. Strabo called it Δουρ ...
, its entire course lies within the
Valpelline, a valley in the region of
Aosta Valley
, Valdostan or Valdotainian it, Valdostano (man) it, Valdostana (woman)french: Valdôtain (man)french: Valdôtaine (woman)
, population_note =
, population_blank1_title = Official languages
, population_blank1 = Italian French
...
.
Course
One branch of the river is formed by the
Tsa de Tsan Glacier
The Transportation Security Administration (TSA) is an agency of the United States Department of Homeland Security (DHS) that has authority over the security of transportation systems within, and connecting to the United States. It was created ...
at an elevation of about ; a second by the
Grandes Murailles glacier at about . The river is then dammed to form the
Place-Moulin Lake reservoir, after which it passes through the
communes
An intentional community is a voluntary residential community which is designed to have a high degree of social cohesion and teamwork from the start. The members of an intentional community typically hold a common social, political, relig ...
of
Bionaz
Bionaz ( Valdôtain: ; from 1939 to 1946) is a '' comune sparso'' which extends over of the North-Eastern Valpelline area of the Aosta Valley region of northwest Italy. The commune lies on the left side of the river Dora Baltea. The populatio ...
,
Oyace
Oyace ( Valdôtain: ) is a town and ''comune'' in the Aosta Valley region of north-western Italy
Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middl ...
,
Valpelline,
Roisan and finally
Aosta
Aosta (, , ; french: Aoste , formerly ; frp, Aoûta , ''Veulla'' or ''Ouhta'' ; lat, Augusta Praetoria Salassorum; wae, Augschtal; pms, Osta) is the principal city of Aosta Valley, a bilingual region in the Italian Alps, north-northwest of ...
where it joins the Dora Baltea.
Tributaries
The principal tributaries from the left are:
* Rû Verdonaz
* Vessonaz;
and from the right:
* Ollomont
* Artanavaz.
Bridges
*
Pont de Pierre, a
Roman bridge
The ancient Romans were the first civilization to build large, permanent bridges. Early Roman bridges used techniques introduced by Etruscan immigrants, but the Romans improved those skills, developing and enhancing methods such as arches and ...
from the time of
Augustus
Caesar Augustus (born Gaius Octavius; 23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor; he reigned from 27 BC until his death in AD 14. He is known for being the founder of the Roman Pr ...
(r. 30 BC –14 AD)
Notes
:''This article began as a translation from its counterpart in the Italian Wikipedia, specifically fro
this version'
Rivers of Aosta Valley
Rivers of Italy
Rivers of the Alps
{{Italy-river-stub