Everest region trek mostly covers high altitude trek as the Sagarmatha National Park itself is the highest national park (Listed by UNESCO) of the world once you make it to Everest Base Camp via different trails, you are encircled with grand vistas of several eight-thousanders. . (i.e. Mt. Lhotse 8516 meters, Mt. Makalu 8481 meters, Mt. Cho Oyu 8201m).