On Saturday 10/29/2016 around 11:30 am, Gustavo Aranda Castaneda a 32 year-old resident of Riverside, CA was riding his Banshee up Banshee Hill at Dumont Dunes. He wasn't able to stop before reaching the top and rode off of a 60-70 foot dropoff. Gustavo, also known as "Gus", was wearing a helmet and was ejected from the quad. Medics arrived and performed CPR, but unfortunately he did not make it. He was pronounced dead on scene at 12:43 pm. The California Highway Patrol is investigating the inci