Courageous professional kayaker descends monster 90ft waterfall in Oregon
Professional kayaker Adrian Mattern descends down a huge 90ft waterfall in Oregon.
Filmed on April 12, Mattern with a GoPro strapped to his head edges towards the water's edge before plunging down the 90ft drop.
Another angle, filmed by a drone, shows the sheer height of the Abiqua Falls as the German daredevil drops down the waterfall.
Mattern is renown for undertaking various stunts on his kayak such as racing down a storm drain in Norway at 50mph.
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