Characteristics of the upper course of a river (near the source)
- narrow channels
- fast flowing
- Pot holes in the river bed
- Rapids and Waterfalls
- v-shaped valley
- interlocking spurs
The infant Severn river starts its journey to the sea flowing down hill in a south-eastern direction.
The River Severn starts life as a small stream
The water flows round harder rock forming interlocking spurs.
Percy is pointing to a spur
The water flows round harder rock forming interlocking spurs
Just a few hundred yards from its source, the River Severn is already gathering momentum and size as it flows steeply downhill into Hafren Forest.
A ridge of land that extends partly across a valley. Spurs only occur in the upper, steeper reaches of a valley.