The Salkantay Trek is usually described through its landscapes: glacier views, high mountain passes, and the gradual descent toward the cloud forest on the way to Machu Picchu. Some travelers also compare accommodation styles, from basic campsites to more structured setups.

Yet one element is rarely discussed before the trek begins, and quickly becomes impossible to ignore once you are on the trail: bathroom infrastructure.

After the first night at altitude, this detail stops feeling secondary. It becomes one of the most defining aspects of the overall experience.