Dufourspitze

Dufourspitze
source
Name	Dufourspitze
Elevation m	4634
Prominence m	2165
Listing	Alpine 4000m peak, Country high point
Location	Switzerland–Italy border
Range	Pennine Alps
Parent peak	Monte Rosa
Coordinates	45, 56, 12, N...
First ascent	1 August 1855
Easiest route	Glacier/snow/ice climb

Dufourspitze is the highest peak of Switzerland and the second-highest summit of the Alps and the Monte Rosa massif. Located on the border between the Swiss canton of Valais and the Italian region of Piedmont, it is a prominent landmark of the Pennine Alps. Its first documented ascent was achieved in the mid-19th century, cementing its place in the history of Alpinism.

Geography and location

The Dufourspitze is the culminating point of the massive Monte Rosa group, which straddles the border between Switzerland and Italy. It lies within the Valais Alps, specifically in the Pennine Alps subrange, overlooking the Mattertal to the north and the Valtournenche to the south. The peak is situated between the Grenzgletscher to the east and the Monte Rosa Glacier to the west, with nearby major summits including Nordend, Zumsteinspitze, and Signalkuppe. The Swiss Federal Office of Topography administers the area, which falls under the jurisdiction of the municipality of Zermatt.

Geology and formation

The mountain is composed primarily of crystalline rocks, specifically gneiss and amphibolite, which form the core of the Penninic nappes. These rocks were uplifted during the Alpine orogeny, a major mountain-building event caused by the collision of the African Plate and the Eurasian Plate. The distinct pyramidal shape of the summit is a result of extensive glacial erosion from the surrounding ice fields, including the Gornergletscher. The geology of the massif has been extensively studied by institutions like the Swiss Geological Survey.

Climbing history and routes

The first ascent was made on 1 August 1855 by a team led by the Swiss guides Johann Zumtaugwald, Matthias Zumtaugwald, and Ulrich Lauener, accompanied by the British Alpinist Charles Hudson and his companions John Birkbeck and Edward Stephenson. The standard modern route follows the Southeast Ridge from the Monte Rosa Hut, involving a long glacier approach and mixed climbing. Other significant routes include the technically demanding ascent via the West Face and the traverse from the neighboring Nordend. The mountain is a central objective for climbers based in Zermatt and is monitored by the Swiss Alpine Club.

Measurement and surveys

Accurate measurement of the Dufourspitze has been a focus of Swiss cartography since the 19th century. The peak was first precisely surveyed as part of the Dufour Map, the first official series of Swiss topographic maps produced under the direction of General Guillaume-Henri Dufour. Modern surveys using GPS and LiDAR technology, conducted by swisstopo, have refined its elevation to 4,634 metres above sea level. These efforts are part of a long tradition of Alpine surveying that includes the work of the Triangulation of Switzerland.

Significance and naming

The peak was originally known as Höchste Spitze (Highest Peak) before being renamed in 1863 in honor of General Guillaume-Henri Dufour, a renowned engineer, cartographer, and co-founder of the International Committee of the Red Cross. As the highest point in Switzerland, it holds significant national symbolism and is a key feature in the Swiss Alps. The summit offers a commanding view of other major Alpine peaks, including the Matterhorn, Dom, and Weisshorn. Its prominence in the Alps makes it a frequent subject in the works of Alpine painters and a benchmark in the history of European mountaineering.

Category:Mountains of Switzerland Category:Mountains of the Alps Category:International mountains of Europe Category:Four-thousanders of the Alps