Hunter Shields Parts of a river This is a water shed.Watersheds have lots of water. This is a floodplain. Floodplains are easy flood areas. This is a source. were water comes from. this is a delta/mouth. mouths are bigger bodies going to rivers A area where rain water drains into a pit A divide is A strip of land dividing 2 bodies of water the part of the river that is closest to the source. The way the water flows. A river connecting to a bigger river.