 Speaking of such, Mount Everest, they say it's going to take years to clean up decades of trash that has been set aside there. They say the highest camp at Mount Everest is littered with garbage. It'll take years to clean up. According to a Sherpa who led a team that removed 11 tons of trash and four dead bodies that had been frozen for years. They say as much as 50 to 60 tons of garbage remain at that campsite. This is at South Cull on the way up to Mount Everest.