A mountain slope which receives little sunshine, especially one facing north.Compare with adret
hill, hillside, hillock, bank, rise, escarpment, scarpView synonyms
- ‘Ubacs are colder, have more snow cover and a longer duration of snow cover.’
- ‘This kind of moor, well represented in Tarentaise is characterised by ubacs (north or north west facing slopes).’
- ‘The ubacs (the North facing shady slopes) are given over to forests.’
- ‘Adrets (south-facing slopes) are most suitable for building villages and growing crops, whilst ubacs (north-facing slopes) often remain wooded.’
1930s: from French, apparently from Latin opacus shady.