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The Unteraargletscher (), literally "Lower Aare-Glacier", is the larger of the two sources of the
Aare The Aare () or Aar () is the main tributary of the High Rhine (its discharge even exceeds that of the latter at their confluence) and the longest river that both rises and ends entirely within Switzerland. Its total length from its source to i ...
river in the
Bernese Alps The Bernese Alps are a mountain range of the Alps located in western Switzerland. Although the name suggests that they are located in the Berner Oberland region of the canton of Bern, portions of the Bernese Alps are in the adjacent cantons of Va ...
. It emerges from the association of the Finsteraargletscher (near the
Finsteraarhorn The Finsteraarhorn () is a mountain lying on the border between the cantons of Canton of Bern, Bern and Valais. It is the highest mountain of the Bernese Alps and the List of prominent mountains of Switzerland, most prominent peak of Switzerland. ...
) and the Lauteraargletscher (near the Lauteraarhorn) and flows for about to the east down to the Grimselsee near the
Grimsel Pass The Grimsel Pass (; ; ) is a mountain pass in Switzerland, crossing the Bernese Alps at an elevation of . The pass connects the Haslital, the upper valley of the river Aare, with the upper valley of the Rhône. In so doing, and as the Aare is a t ...
. In total the glacier was long and in area in 1973. Its lower end is (or was) almost 400 metres lower than that of the neighbouring Oberaargletscher. In the 18th and 19th centuries, it was one of the first subjects of developing
glaciology Glaciology (; ) is the scientific study of glaciers, or, more generally, ice and natural phenomena that involve ice. Glaciology is an interdisciplinary Earth science that integrates geophysics, geology, physical geography, geomorphology, clim ...
.


See also

* List of glaciers in Switzerland *
List of glaciers A glacier ( ) or () is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly defor ...
*
Retreat of glaciers since 1850 The retreat of glaciers since 1850 is a well-documented effects of climate change, effect of climate change. The retreat of Mountain glacier, mountain glaciers provides evidence for the Instrumental temperature record, rise in global temperatures ...
*
Swiss Alps The Alps, 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 Physica ...
* Rhône Glacier


External links


Swiss glacier monitoring network

"Viatimages", Université de Lausanne/Bibliothéque nationale Suisse
*
Carte du Glacier inférieur de l'Aar, levée en 1842, d'après les directions de m.Agassiz par Jean Wild, Ingénieur
(Neuchâtel Public and University Library, cote: IGH Txt 129.6.3) *
Réseau trigonométrique de la carte du glacier inférieur de l'Aar (1847)
(Neuchâtel Public and University Library, cote: IGH Txt 129.6.3) *
Carte du glacier inférieur de l'Aar (1844)
(Neuchâtel Public and University Library, cote: BPUN Q 820 A)
Unteraargletscher in the Topographic Atlas of Switzerland 1870–1922
Glaciers of the canton of Bern Glaciers of the Alps Aare GUnteraar {{Bern-glacier-stub