Mount Thor is a mountain in Auyuittuq National Park, on Baffin Island, Nunavut, Canada with thr greatest vertical drop on the earth, with a sheer 4,100 foot drop! Rappel, anyone? The mountain is located 46 km (29 mi) northeast of Pangnirtung and features the Earth's greatest purely vertical drop at with an average angle of 105 degrees. The location is popular with rockclimbers , despite its remote access with the only official site being at the entrance to the Akshayuk Valley near Overlord Peak.
Mount Thor was first climbed in 1953 by an Arctic Institute of North America team, who climbed the North Tower. The world record for longest rappel was set on Mount Thor, July 23, 2006, by an American team. A 26-year-old Canadian Park Ranger, Philip Robinson, also rappelled, but had a problem with his equipment and was killed when he dropped to the base of the mountain.