river tees

• What is the source of The River Tees?

  Cross fell in the Pennines
• What geological feature does the upper course of the River Tees flow over?

  Hard impermeable rocks
• What shape has vertical erosion in the River Tees formed?

  V-shaped valleys and interlocking spurs
• What significant waterfall is found in the upper course of the River Tees?

  High Force
• What type of rock is the area around High Force primarily composed of?

  Hard rock
• How does Whinstone affect the formation of the waterfall in the River Tees?

  It erodes slower than softer rock
• What happens in the middle course of the River Tees regarding gradient levels?

  Gradient levels decrease and lateral erosion occurs
• What types of lakes are formed in the middle course of the River Tees?

  Meanders and ox-bow lakes
• What is the characteristic of the lower course of the River Tees?

  It contains a large estuary
• Into which body of water does the River Tees flow?

  North Sea
• What types of landforms are present in the lower course of the River Tees?

  Floodplains and mudflats
• What are the key features of the River Tees from source to mouth?

  • Source: Cross fell in the Pennines
  • Upper course: Hard impermeable rocks, V-shaped valleys, High Force waterfall
  • Middle course: Decreasing gradient, meanders, ox-bow lakes
  • Lower course: Large estuary, floodplains, mudflats