What’s a landforms of erosion in the upper course of the River Tees and what are some key facts about it?
High force waterfall
It’s a 21m high waterfall
The High Force was formed by the erosion of limestone (less resistant) which lies underneath a layer of dolerite (more resistant).
Where is the River Tees located and where does it starts and finish?
Located in the North East of England, it starts in the Pennines and flows into the North sea
When is the High Force waterfall most powerful?
After heavy rainfall