What is Ravine?
[[File:Wawoz homole2.jpg|thumbnail|right|A ravine in Poland]] A '''ravine''' is a [[landform]]. It is narrower than a [[canyon]]. Ravines are often made by [[erosion]]. A ravine usually has steep sides, and they are 20-70% in [[gradient]]. Ravines sometimes have [[stream]]s running down the side of them. Ravines are naturally formed. [[Category:Landforms]] {{geo-stub}}