This trek will be in the Garhwal area, which is one of the most beautiful regions of the Himalayas. One of the treks you can do is the Dodi Tal and Yamunotri, following an old pilgrim route from Sangam Chatti to Hanuman Chatti. It will take 4-6 days, and will camping or staying in rest houses, along the way. The route takes us through forests and along valleys, up and over the Darwa Pass at 4150m.