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On High Hills is owned and operated by Jonty Mills, a qualified UIMLA International Mountain Leader, and bases its activities in the Cairngorms National Park in the Scottish Highlands.



Jonty has walked, climbed and ski-toured extensively in many parts of the UK, the Alps as well as further afield in the Canadian Rockies and in Kenya. Despite this, the hills of the Scottish Highlands, and in particular the Cairngorm mountains near his home, remain firm favourites.


Jonty holds the International Mountain Leader award from Mountain Training UK. This is the internationally recognised, professional award for leading trekking groups worldwide. To learn more about this qualification visit the Mountain Training website here.  Jonty is also a qualified British Cycling Mountain Bike Leader (Level 2)


Jonty is also a qualified medical doctor, and holds a current Outdoor Emergency First Aid Certificate.

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