BASE Jumping Insane Slip ‘N Slide BASE Jump Off 500 Foot Cliff! Posted by Andrew R. 366 SharesShare362Tweet4 04 Aug Video can't be loaded: Slip and Slide off 500 Foot Cliff!!! In 4K! (https://www.youtube.com/watch?v=GJdEqU6l7pw) This has to be the world’s tallest and gnarliest slip ‘n slide BASE jump off a 500 foot cliff! Strong work from legendary filmmaker Devin Supertramp and BASE jumpers Sean Chuma, Marshall Miller, Jesse Hall, Carson Klein, and Hartman Rector.