Obscure spate ditch in Kielder Forest. The Seven Linns section is a series of falls and slides. Other notable features are Cat Linns and Jerry's Linn (a 4m fall).
Putin · Takeout
You need to get the OS map out and get familiar with forestry tracks! The Seven Linns, which are a few hundred metres long are the main event and it's debatable as to whether it's worth paddling the rest of the beck, or just going to Jerry's Linn for a one-hit wonder.
Rainchasers is best experienced as an app.