Punta Sommeiller

Punta Sommeiller (in Italian) or Pointe Sommeiller (in French) is a mountain of the Province of Turin, Italy and of Savoie, France. It lies in the Cottian Alps range. It has an elevation of 3,333 metres above sea level.

Punta Sommeiller
Pointe Sommeiller
The mountain seen from Valfredda western pass
Highest point
Elevation3,333 m (10,935 ft) [1]
Prominence339 m (1,112 ft) [1]
Parent peakRognosa d'Etiache
ListingAlpine mountains above 3000 m
Coordinates45°07′42″N 06°51′09″E [1]
Geography
Punta Sommeiller
Alps
LocationRhône-Alpes, France
Piedmont, Italy
Parent rangeCottian Alps
Climbing
First ascentMartino Baretti[2]
Easiest routefor the southern ridge

Etymology

The old name of the mountain was Rognosa di Galambra, which derived from the secondary valley of Galambra (a tributary of Dora Riparia). It was then renamed by the geologist Martino Baretti, author of the first documented ascent to the summit, in order to avoid confusions with two neighboring "Rognosa"s, Rognosa d'Etiache and Rognosa del Sestriere. The new name was chosen to honour Germain Sommeiller, the civil engineer which directed the construction of the Fréjus Rail Tunnel between Savoy and Piedmont. [3]

Geography
IGM geodetic pillar on the summit

In the French subdivision of western Alps it belongs to the Massif du Mont-Cenis while in the SOIUSA (International Standardized Mountain Subdivision of the Alps) it is part of the mountain group called "gruppo d'Ambin" (Italian) or "groupe d'Ambin" (French).[4]

Administratively the mountain is divided between the Italian comunes of Bardonecchia (SW face) and Exilles (SE face) and the French commune of Bramans (N face).

A geodetic point of the Italian Military Geographic Institute is defined on the top of the mountain.

Access to the summit
The mountain (left) with Sommeiller's pass (2993 m) and Rognosa d'Etiache

The easiest route for the summit starts from passo Settentrionale dei Fourneaux (3,159 m, which connects Exilles and Bardonecchia), then follows the south ridge of the mountain.[2]

Mountain huts

Notes
  1. Geoportale IGM on www.pcn.minambiente.it
  2. Aruga, Roberto; Pietro Losana; Alberto Re (1985). Alpi Cozie settentrionali. Guida ai monti d'Italia (in Italian). Club Alpino Italiano. p. 320.
  3. The Alpine journal. volume 11. London: Alpine Club. 1884.
  4. Marazzi, Sergio (2005). Atlante Orografico delle Alpi. SOIUSA (in Italian). Priuli & Verlucca. p. 90. ISBN 978-88-8068-273-8.

Maps
  • Italian official cartography (Istituto Geografico Militare - IGM); on-line version: www.pcn.minambiente.it
  • French official cartography (Institut géographique national - IGN); on-line version: www.geoportail.fr
  • I.G.C. (Istituto Geografico Centrale) - Carta dei sentieri e dei rifugi scala 1:50.000 n. 1 Valli di Susa Chisone e Germanasca e 1:25.000 n. 104 Bardonecchia Monte Thabor Sauze d'Oulx
gollark: I don't know what the thing is, but that's your problem.
gollark: So if you just divide Planck's constant by something in m^2 s^-1, you get kilograms out!
gollark: Planck's constant is J s = N m s = kg m s^-2 m s = kg m^2 s^-1.
gollark: Well, if you know it's based on Planck's constant, do dimensional analysis.
gollark: It is *exactly* the mass of 1.79L of standardized bees.
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