Guidebook to 8 treks in the Uttarakhand Himalaya, including the Nanda Devi Sanctuary, Shivling and the source of the Ganges. Ranging from 3 to 8 days, these guided trekking routes take in verdant valleys, alpine meadows, peaks, glaciers, holy sites and national parks, with the chance to see protected species such as snow leopard and musk deer.