climbs
verb
go or come up a (slope or staircase); ascend.
we began to climb the hill
ascend,mount,scale,scramble up,clamber up,shin up,go up,move up,walk up,make one’s way up,swarm up,conquer,shinny (up)
noun
an ascent, especially of a mountain or hill, by climbing.
this walk involves a long moorland climb
ascent,clamber,conquest