Jonnie holds the Mountain Leader Summer (ML) and Rock Climbing Instructor (RCI) awards with the Mountain Training Association (MTA) and is an Aspirant International Mountain Leader (IML).

These enable him to lead groups in the UK during in summer conditions and internationally whilst leading expeditions. 

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He has experience of trekking, climbing and mountaineering in Norway, Nepal (Annapurna region), Borneo, Alaska, Spain, Vietnam, Saudi Arabia, The Alps, the Atlas Mountains and closer to home in England, Scotland and Wales, of course not forgetting Dartmoor!