Adventure Dolphin

Adventure Dolphin - General Canoeing Information

Contact: Gill Goodchild
Tel: 0118 984 3162
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International River Grading System
  • Grade 1 - Easy Rivers Regular stream, waves and small rapids. Simple obstructions.
  • Grade 2 - Medium Rivers Passage free, irregular stream and waves. medium rapids, small stoppers, eddies, whirlpools and pressure areas. Simple obstructions in flow and small drops.
  • Grade 3 - Difficult Rivers.Route recognisable. High irregular waves. Large rapids. Stoppers, eddies, whirlpools and pressure areas. Isolated boulders, small drops and many obstructions in stream.
  • Grade 4 - Very Difficult Rivers Route not always recognisable. Inspection mostly necessary. Heavy continuous rapids. Heavy stoppers, whirlpools and pressure areas. Boulders obstructing stream, big with undertow.
  • Grade 5 - Exceedingly Difficult Rivers Inspection essential. Extreme rapids. Stoppers, whirlpools and pressure areas. Narrow passages, steep gradients and drops with difficult access and landing.
  • Grade 6 - Absolute Limit of Difficulty Generally speaking impossible. Possibly navigable at particular water levels. High risk.





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