Place Moulin Dam

Refuge Prarayer is a refuge in the Alps in Aosta Valley, Italy, at an altitude of 2005 metres.

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

La Singla, also spelled La Sengla, is a 3,714 m mountain of the Pennine Alps, located on the border between Switzerland and Italy. It is the highest summit lying between the valleys of Bagnes (Valais) and Valpelline (Aosta Valley). On its northern side La Singla overlooks the Otemma Glacier.

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

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.

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 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.

Mont Brulé (also known as Mont Brûlé or Mont Braoulé) is a mountain of the Pennine Alps, located on the Swiss-Italian border, east of the Col Collon. On its northern side it overlooks the upper Arolla Glacier.

Bec d'Epicoune or Becca Rayette is a mountain of the Pennine Alps, located on the Swiss-Italian border. On its northern side it overlooks the Otemma Glacier. On the Swisstopo map, Becca Rayette is the name of a 3,432 m sub-peak on the SW spur neighboring the 3,320 m Col de la Rayette, rather than an alternative name for the main summit. Likewise, Becca Picion is a 3,389 sub-summit on the ENE ridge towards the 3,233 m Col d'Epicoune.

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.

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).