Waterfall - Caused when there is a band of hard rock overlaying softer rock. , Plunge Pool - An over-deepened pool at the bottom of a waterfall rapidly eroding the back wall. , Overhanging cap rock - Hard rock that will eventually fall into the plunge pool.  , Gorge - A valley made by a retreating waterfall.  , Upper course map - River is thin and forced back and fore by interlinking spurs. Look for apex in contours that are close together.  ,

River Landforms Upper Course

Leaderboard

Visual style

Options

Switch template

Continue editing: ?