Annapurna Base Camp Trek The ABC or Annapurna Sanctuary Trek is one of the most beautiful Himalayan treks that originates from and concludes at Jhino Danda, stretching about 115 kilometers. ABC Trekking is a moderately difficult to difficult-level trek with a height gain of up to 4,130 meters at the ABC, the highest point and great views of peaks such as Annapurna I (8,091 m), Machhapuchhre (6,993 m), Hiunchuli (6,441 m), and other snow-capped peaks. The ABC Trekking trail follows the Annapurna Conservation Area, a biodiversity hotspot home to diverse flora like rhododendrons and orchids, while fauna includes Himalayan thar, langurs, and colorful pheasants.