Versant

a.	1.	Familiar; conversant. Men not versant with courts of justice. - Sydney Smith.
n.	1.	The slope of a side of a mountain chain; hence, the general slope of a country; aspect.

Noun

1.

versant - the side or slope of a mountain; "conifer forests cover the eastern versant" Synonyms: mountainside

incline, mount, mountain, mountainside, side, slope