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The Posets Glacier, also known as the East Posets Glacier, extended during the Little Ice Age to 28.5 hectares, reaching a maximum length of 890 metres. During the 19th century, a bifurcation at the Collado de La Paül (3,057 metres) allowed the North Posets Glacier to join the La Paül Glacier. The visible moraine accumulation that almost closes the cirque is a consequence of the great thickness reached by the ice 175 years ago. At the lower limit are the lobes that mark the position of the Posets Rocky Glacier.
In the 1990s, the Posets Glacier began a period of accelerated degradation. Its activity ceased in 1998, turning into a glacier, which quickly split into two fragments called 39) Posets North and 40) Posets South. Its eastern orientation seems to have been a determining factor in its deterioration. The North and South glaciers became extinct in 2022.
Este aparato glaciar pertenece al siguiente macizo:
39) Posets Norte and 40) Posets Sur
Comparativa de imágenes
Comparison over 41 years.
In 1976, the Posets Glaciers (left), reaching almost the limit of the Little Ice Age moraine, and La Paül (right) showing its active crevasses. Both have a well-defined feeding area. (Camil José Guiu – AFCEC).
In 2017, the Posets North and South glaciers (left), with their ice barely visible under the eroded material. La Paül glacier (right) has practically become a helero (Jordi Camins).
Comparison of 113 years.
The Posets Glacier in 1904 from its frontal moraine (Juli Soler Santaló – AFCEC).
In 2017, the Posets North and South glaciers were very close to extinction, with their remains of ice under the debris (Jordi Camins).
21-year comparison.
The Posets Glacier in October 1985. A light autumn snowfall makes it easier to see the rimaya and some faint transverse cracks that indicate the glacier is still active. References 39 and 40 indicate the future location of the Posets North and South Heleros in the following images.
The Posets Sur glacier in 2006, 21 years after photograph 236. Heavily covered with debris and with the moraine indicating the thickness of the glacier during the Little Ice Age. (Jordi Camins).
