Its peaks are 4000 to 5000 feet lower than Mount Everest, but its passes average 3000 feet higher than the Himalayan passes."
The range of treks varies from a short gentle hikes through terraced foothills to lengthy expeditions to mount Everest's summit.
Everest summited 24 May 2005 Climbers reached the summit of Everest for the first time this season on 21 and 22 May.
We follow his grueling treks on Annapurna and to Everest base camp.
Nevertheless, the greatest depths of the ocean below sea-level and the greatest heights of the land above it are of the same order of magnitude, the summit of Mount Everest rising to 29,000 ft.