👉 Ravines are a type of valley or depression in which the topography is relatively flat but there is significant slope. They often occur at the base of mountains, rivers, or other bodies of water. These valleys can be formed by erosion from the bottom of the mountain or from the action of natural forces such as wind or ice. They are characterized by a steepness that contrasts with the gentle slopes found in normal valleys. Ravines are typically less than 10 to 20