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.

this is a GoPro POV angle of professional kayaker Adrian Mattern going over Abiqua falls in Oregon. The camera mounted to his helmets captures a few very intense moments before the kayakers pushes off the shore and emerges with the flow, waiting for his safety team to give him the thumbs up- before he emerges with the current and desecends the falls with a perfect line, reappearing at the bottom uninjured and with a big grin on his face.

Professional kayaker Adrian Mattern is descending a huge waterfall in the Pacific Northwest with an ideal line and perfect outcome, no injuries and just smiles all around. This one was on his list of accomplishments for a long time so the sportsmen was more than happy to finally achieve his long time goal. Timing, skill and all external factors have to be perfect in order to make sure to have a save and healthy line down this absolute monster of waterfall

professional whitewater kayaker Adrian Mattern runs a huge waterfall in the Pacific Northwest with an ideal outcome.