noun, noun or participle which takes 'suru'
north face; north side; facing north
Refers to the northern side of a building, mountain, or other object. Can also be used as a suru-verb meaning 'to face north'.
この建物の北面は日当たりが悪い。
The north side of this building gets little sunlight.
山の北面にはまだ雪が残っ
There is still snow on the north face of the mountain.