(or 2.75 mile high poo bag club in Whitney's case)

https://www.cnn.com/2024/03/25/travel/everest-climbers-poop-bags-intl-scli/index.html

Of course, most Everest climbers will have Sherpa guides/porters to carry the bags down. So, hopefully less bags left along the trail like on Whitney.

http://wandering.earth