| Term: | Ubac |
| Definition: |
The shady (usually poleward, or north in the Northern Hemisphere) side of a mountain. The term originated and is most often used in reference to mountains in the Alps. It is characterized by a lower timber line and snow line than the sunny side (the adret). AMSglossary
GCW |
| Term: | Ubac |
| Definition: | The shady (usually poleward, or north in the Northern Hemisphere) side of a mountain. The term originated and is most often used in reference to mountains in the Alps. It is characterized by a lower timber line and snow line than the sunny side (the adret). |