La Singla

The Otemma Glacier (French: Glacier d'Otemma) is a 7.7 km (4.8 mi) long glacier (2005) situated in the Pennine Alps in the canton of Valais in Switzerland. In 1973 it had a length of 8.7 km (5.4 mi), and an area of 17.5 km2 (6.8 sq mi) but, like most other alpine glaciers, is known to be receding. By 2010 it had receded a further 1.2 km (0.75 mi) from its 1973 position. In summer 2018, the snout zone (terminus) of the glacier collapsed.

The Petit Mont Collon is a mountain of the Swiss Pennine Alps, located south of Arolla in the canton of Valais. It lies south of the Col de Chermotane and west of Mont Collon.

Refuge Nacamuli au col Collon is a refuge in the Alps in Aosta Valley, Italy.

The Col de Chermotane (also known as Col de Charmotane) is an Alpine pass located in the Swiss canton of Valais. With an elevation of 3,037 metres above sea level, the Col de Chermotane is the lowest pass between the valleys of Bagnes and Hérens. The pass lies a few kilometres north of the main chain of the Alps and is covered by the Otemma Glacier. It connects Chanrion to Arolla, both in the upper part of their valley. The pass is located between the Pigne d'Arolla (north) and the Petit Mont Collon (south).

Aouille Tseuque is a mountain of the Pennine Alps on the Swiss-Italian border. On its northern side it overlooks the Otemma Glacier.

L'Evêque is a mountain of the Pennine Alps, overlooking the Col Collon in the canton of Valais, south of Mont Collon. With a height of 3,716 meters above sea level, it is one of the highest summits in the Arolla valley.

The Vignettes Hut (French: Cabane des Vignettes) is an alpine hut, located south of Arolla in the Swiss canton of Valais. It lies at a height of 3,160 metres above sea level, at the foot of the Pigne d'Arolla and near the Col de Chermotane in the Pennine Alps. All accesses to the hut involve glacier crossing.The Cabane de Vignettes is a famous stop for those that walk or ski the Haute Route, Chamonix–Zermatt. This Haute Route was first established on foot in 1861 by English mountaineers.

Col Collon (el. 3074 m.) is a high mountain pass across the central Pennine Alps, connecting Arolla in the Swiss canton of Valais to Bionaz in the Italian region of Aosta Valley. The pass is located on the border at the southern tip of the Arolla Glacier, south of Mont Collon.

Mont Collon (3,637 m) is a mountain of the Swiss Pennine Alps in the canton of Valais. Its glaciated north face dominates the view south from the village of Arolla. The ascent over the West Ridge, first made by A. Cust and F. Gardiner with the guides Peter Knubel and Johannes Knubel of St. Niklaus in the canton Valais on 3 August 1876, is now the normal route.

Pigne d'Arolla (3,796 m) is a mountain in the Pennine Alps in Switzerland. The first ascent was made by A. W. Moore and Horace Walker with the guide Jakob Anderegg on 9 July 1865. It is commonly climbed as part of the Haute Route.

The Arolla Glacier (French: Glacier d'Arolla) is a 4 km (2.5 mi) long glacier (2005) situated in the Pennine Alps in the canton of Valais in Switzerland. In 1973 it had an area of 13.17 km2 (5.08 sq mi). The Glacier d'Arolla is in fact composed of two glacier: the Glacier du Mont Collon and the Haut Glacier d'Arolla.

Place Moulin Dam is one of the largest dams in Europe and is in Bionaz, in Northern Italy. The 678 m long and 155 m high arch dam was constructed between 1955 and 1965 and has an artificial reservoir capable of holding 105 million m3 of water.