He saw the road rise steeply off into the distance.
The hill slopes steeply away from the road in this area. Let's hit the slopes! (Let's go skiing!)
This ridgeline rises steeply to a much higher altitude.
The narrow lane ended at the head of the valley, from where a footpath climbed steeply up to the col.
The hill rose steeply, casting a long shadow over the valley below.
It shows whether, and how steeply, the terrain or function is increasing or decreasing.
No, steep is not an adverb. This is an adjective and occasionally a verb.The adverb form is steeply.
HILL
Mountain
mountain
the coastline?
The Zambezi River
mountain