The Alpine region of Switzerland, conventionally referred to as the Swiss Alps, represents a major natural feature of the country and is, along with the Swiss Plateau and the Swiss portion of the Jura Mountains, one of its three main physiographic regions. The Swiss Alps extend over both the Western Alps and the Eastern Alps, encompassing an area sometimes called Central Alps. While the northern ranges from the Bernese Alps to the Appenzell Alps are entirely in Switzerland, the southern ranges from the Mont Blanc massif to the Bernina massif are shared with other countries such as France, Italy, Austria and Liechtenstein.
The main chain of the Alps, also called the Alpine divide is the central line of mountains that forms the drainage divide of the range. Main chains of mountain ranges are traditionally designated in this way, and generally include the highest peaks of a range. The Alps are something of an unusual case in that several significant groups of mountains are separated from the main chain by sizable distances. Among these groups are the Dauphine Alps, the Eastern and Western Graians, the entire Bernese Alps, the Tödi, Albula and Silvretta groups, the Ortler and Adamello ranges, and the Dolomites of South Tyrol, as well as the lower Alps of Vorarlberg, Bavaria, and Salzburg.
The Central Eastern Alps, also referred to as Austrian Central Alps or just Central Alps, comprise the main chain of the Eastern Alps in Austria and the adjacent regions of Switzerland, Liechtenstein, Italy and Slovenia. South them is the Southern Limestone Alps.
The Adda is a river in North Italy, a tributary of the Po. It rises in the Alps near the border with Switzerland and flows through Lake Como. The Adda joins the Po a few kilometres upstream of Cremona. It is 313 kilometres (194 mi) long. The highest point of the drainage basin is the summit of la Spedla, at 4,020 metres (13,190 ft).
Piz Bernina is the highest mountain in the Eastern Alps, the highest point of the Bernina Range, and the highest peak in the Rhaetian Alps. It rises 4,048.6 m (13,283 ft) and is located south of Pontresina and near the major Alpine resort of St. Moritz, in the Engadin valley. It is also the most easterly mountain higher than 4,000 m (13,000 ft) in the Alps, the highest point of the Swiss canton of Graubünden, and the fifth-most prominent peak in the Alps. Although the summit lies within Switzerland, the massif is on the border with Italy. The "shoulder" known as La Spedla is the highest point in the Italian Lombardy region.
Eastern Alps is the name given to the eastern half of the Alps, usually defined as the area east of a line from Lake Constance and the Alpine Rhine valley up to the Splügen Pass at the Alpine divide and down the Liro River to Lake Como in the south. The peaks and mountain passes are lower than the Western Alps, while the range itself is broader and less arched.
Piz Palü is a mountain in the Bernina Range of the Alps, located between Switzerland and Italy. It is a large glaciated massif composed of three main summits, on a ridge running from west to east. The main summit is 3,900 metres high and is located within the Swiss canton of Graubünden, although the border with the Italian region of Lombardy runs about 100 metres west of it at almost the same height. The western summit is named Piz Spinas and is the only one not covered by ice. The eastern summit is named Piz Palü Orientale. The name Palü derives from the Latin palus, meaning a swamp, and the mountain is said to be named after the Alpe Palü, a high alpine pasture some 4 km to its east.
Piz Zupò is a mountain in the Bernina Range of the Alps, located on the border between Switzerland and Italy. It lies between the valleys of Morteratsch (Graubünden) and Malenco (Lombardy). Piz Zupò is the second highest peak in the range after Piz Bernina.
Mont Blanc de Courmayeur is a point on the south-east ridge of Mont Blanc that forms the peak of the massive south-east face of the mountain. It is connected to the main summit via the Col Major.
The Zumsteinspitze is a peak in the Pennine Alps on the border between Italy and Switzerland. It is a subpeak of Monte Rosa.
The Marco e Rosa Hut is a high mountain refuge located on the southern slopes of the Piz Bernina in Italy. It lies adjacent to the Swiss border. The hut is positioned on the Fourcla Crast' Aguzza and is the highest known mountain hut in Lombardy. It requires mountaineering experience to reach it safely. Its location on the southern ridge (Spallagrat) of the Piz Bernina makes it an important staging post in ascending that mountain.
The Alpine Club classification of the Eastern Alps is a common division of the Eastern Alps into 75 mountain ranges, based on the Moriggl Classification (ME) first published in 1924 by the German and Austrian Alpine Club. The present-day division established for the German-speaking world was compiled by the German, Austrian and South Tyrol Alpine Clubs and published in 1984 and is also used for the basic numbering of Alpine Club maps for mountaineering.
A four-thousander is a mountain summit that is at least 4,000 metres above sea level. Because the highest peaks in Europe fall into this category, the summits of four-thousanders are popular in Europe with climbers and mountaineers as climbing goals. Although climbing these peaks does not require an expedition to be mounted, knowledge and experience of high altitude climbing is a pre-requisite for attempting these peaks.
The Western Rhaetian Alps are a mountain range in the central part of the Alps.
Lombardy is an administrative region of Italy that is split into four geographic regions — mountains, alpine forest, and the upper and lower plains south of the Po river. These are crossed and dotted by dozens of rivers and lakes, the latter of which include some of the largest in Italy. The territory is the fourth largest in Italy by surface area with 24,000 square kilometres (9,300 sq mi).
