For many people, trekking to Everest Base Camp is a once-in-a-lifetime experience. Because of its key attraction — Mount Everest, the world's tallest mountain — this Everest Trek has been featured in various international guide books, travel shows, and vlogs. For several, the trail may appear difficult because of Everest. However, the trek is moderately challenging because altitude sickness can occur, and any healthy person can complete it.