, photo = Rognosa d'Etiache.JPG , photo_caption = View from Rifugio Scarfiotti , elevation_m = 3382 , map = Alps , map_caption = Alps , label_position = right , coordinates = , elevation_ref = Geoportale

IGM Immunoglobulin M (IgM) is one of several isotypes of antibody (also known as immunoglobulin) that are produced by vertebrates. IgM is the largest antibody, and it is the first antibody to appear in the response to initial exposure to an antige ...

o
www.pcn.minambiente.it
/ref> , prominence = 583 , prominence_ref = , parent_peak =

Aiguille de Scolette , photo_caption = , elevation_m = 3506 , elevation_ref = ' of Institut Géographique National , prominence_m = 1069 , prominence_ref = Peakbagger.comPeakbagger/ref> , parent_peak = Aiguilles d'Arves , listing = Alpine mountains above 30 ...

, listing = Alpine mountains above 3000 m , location =

Rhône-Alpes Rhône-Alpes () was an administrative region of France. Since 1 January 2016, it is part of the new region Auvergne-Rhône-Alpes. It is located on the eastern border of the country, towards the south. The region was named after the river Rhône a ...

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...

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

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 ...

, range =

Ambin group The Ambin group (''Groupe d'Ambin'' in French, ''Gruppo d'Ambin'' in Italian) is a sub-range of the Cottian Alps located on the French-Italian border. Geography Administratively the range is divided between the Italian '' provincia di Torino ...

(

Cottian Alps The Cottian Alps (; french: Alpes Cottiennes ; it, Alpi Cozie ) are a mountain range in the southwestern part of the Alps. They form the border between France (Hautes-Alpes and Savoie) and Italy (Piedmont). The Fréjus Road Tunnel and Fréjus Ra ...

) , range_coordinates = , first_ascent = 1875 by Augusto Sibille (SE summit) Rognosa D' Etiache m. 3382
at AltoX.it , easiest_route = from Rifugio Scarfiotti Rognosa d'Etiache (in

Italian Italian(s) may refer to: * Anything of, from, or related to the people of Italy over the centuries ** Italians, an ethnic group or simply a citizen of the Italian Republic or Italian Kingdom ** Italian language, a Romance language *** Regional Ita ...

) or Rognosa d'Étache (in French) is a mountain in the

on the border of

Turin Turin ( , Piedmontese: ; it, Torino ) is a city and an important business and cultural centre in Northern Italy. It is the capital city of Piedmont and of the Metropolitan City of Turin, and was the first Italian capital from 1861 to 1865. Th ...

, and

Savoie Savoie (; Arpitan: ''Savouè'' or ''Savouè-d'Avâl''; English: ''Savoy'' ) is a department in the Auvergne-Rhône-Alpes region, Southeastern France. Located in the French Alps, its prefecture is Chambéry. In 2019, Savoie had a population o ...

. It has an elevation of 3,382 metres above sea level.

Geography

The mountain is located at the head of the

Susa valley The Susa Valley ( it, Val di Susa; pms, Valsusa; french: Val de Suse; oc, Val d'Ors) is a valley in the Metropolitan City of Turin, Piedmont region of northern Italy, located between the Graian Alps in the north and the Cottian Alps in the so ...

in Italy and the

Maurienne valley Maurienne ( frp, Môrièna) is one of the provinces of Savoy, corresponding to the arrondissement of Saint-Jean-de-Maurienne in France. It is also the original name of the capital of the province, now Saint-Jean-de-Maurienne. Location The Mau ...

in France and is on the border of the Italian

comune The (; plural: ) is a local administrative division of Italy, roughly equivalent to a township or municipality. It is the third-level administrative division of Italy, after regions ('' regioni'') and provinces ('' province''). The can ...

Bardonecchia Bardonecchia (; french: Bardonèche or ; pms, Bardonecia ; oc, Bardonescha ) is an Italian town and ''comune'' located in the Metropolitan City of Turin, in the Piedmont region, in the western part of Susa Valley. It grew out of a small villa ...

to the south and the French commune of

Bramans Bramans is a former commune in the Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2017, it was merged into the new commune Val-Cenis.Aiguille de Scolette , photo_caption = , elevation_m = 3506 , elevation_ref = ' of Institut Géographique National , prominence_m = 1069 , prominence_ref = Peakbagger.comPeakbagger/ref> , parent_peak = Aiguilles d'Arves , listing = Alpine mountains above 30 ...

(3,506 m), edging out Mont d'Ambin to its east by four metres. The

SOIUSA Alps by SOIUSA. SOIUSA (an acronym for - English: ''International Standardized Mountain Subdivision of the Alps-ISMSA'') is a proposal for a new classification system of the Alps from the geographic and toponomastic point of view. It was desig ...

partition of the Alps places Rognosa in the

of the northern

, in the Etiache ridge with code I/B-9.IV-A.2.a. According to the French partition of the Western Alps, the mountain is part of the Ambin group of the :fr:Massif du Mont-Cenis.

Access to the summit

The mountain has a long summit ridge running NE to SW with three peaks, the Pt. NE (3,376 m) on the French border, and the Pt. SO (southwest; 3,382 m) and Torre Maria Celeste (3,342 m) on the Italian side. The SE face of the ridge is 300 m high and is pretty much vertical. It was first scaled in 1929 and offers multiple hard climbing routes. The easiest route to the summit starts from Rifugio Scarfiotti (a CAI mountain hut) and follows the WNW face. It requires some climbing skills.

Mountain huts

* Rifugio Scarfiotti (2,165 m). * Refuge d'Ambin (2,270 m).

Maps

* Italian official cartography (''

Istituto Geografico Militare The ''Istituto Geografico Militare'' (IGM), or Military Geographic Institute, is an Italian public organization, dependent on the Italian Army general staff (''Stato Maggiore dell'Esercito''). It is the national mapping agency for Italy. Over ...

'' - IGM); on-line version
www.pcn.minambiente.it
* French official cartography (''

Institut Géographique National An institute is an organisational body created for a certain purpose. They are often research organisations (research institutes) created to do research on specific topics, or can also be a professional body. In some countries, institutes can ...

'' - IGN); on-line version:
www.geoportail.fr
* I.G.C. (''Istituto Geografico Centrale''), ''Carta dei sentieri e dei rifugi'' 1:50.000

scale Scale or scales may refer to: Mathematics * Scale (descriptive set theory), an object defined on a set of points * Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original * Scale factor, a number ...

n. 1 ''Valli di Susa Chisone e Germanasca'' and 1:25.000

n. 104 ''Bardonecchia Monte Thabor Sauze d'Oulx''

Notes

{{Reflist Alpine three-thousanders France–Italy border International mountains of Europe Mountains of Piedmont Mountains of the Alps Mountains of Savoie Mountains partially in France