Geology
It rises on a sandstone base but the catchment soon turns to limestone and remains so to the sea. The countryside is one of mixed farming, with some tillage, quite a bit of pasture and dairying and some bloodstock. The river has a fairly steep gradient but the flow is checked by innumerable weirs and it is probably true to say that shallow glides are the pre-dominant feature.
Read more about this topic: River Nore