Matching Pairs River characteristicsOnline version Complete by José Torrecillas Baena 1 MEANDER 2 SOURCE 3 MOUTH 4 REGIME 5 DISCHARGE 6 LENGHT 7 TRIBUTARY 8 COURSE Bends in the river. The distance from the source to the mouth. The place where the river begin. The path of the river. The place where the river ends. Is the change in discharge. Can be stable or variable. Is the amount of water. A river that flows into another river.