Nepal offers some of the best trekking route in the world including Annapurna Base Camp Trek, Everest Base Camp Trek, Annapurna Circuit Trek, Manaslu Circuit Trek. The three main trekking areas and therefore the most easily accessible are the Everest, Langtang and the Annapurna regions. Nepal has six distinct and diverse vegetation zones ranging from Tropical below a 1,000 m through Sub-tropical 100m – 200m, Lower Temperate 1,700 m – 2,700 m, Upper Temperate 2,400 m – 3,000 m, Subalpine 3,000 m – 4,000 m and Alpine 4,000 m to the snowline above the snowline it is a Himalaya tundra like wilderness.