Drive to Shangarh from Aut. Trek up to Tindadhar.
Traversing a distance of 40 kilometers you reach Aut, a town on the highway of Delhi-Manali. You will be picked from here to be taken off to Shangarh that lies 25 kilometers away.
The Shangarh Road heads north-west and you pass through the three kilometers long Aut tunnel to reach the huge lake formed at the confluence of Sainj, Tirthan and Beas rivers (Larji Dam).
The trail begins next to the Ropa forest guest house where after ascending gradually for about one kilometer, you will see a flowing stream. This trail has a rich flora, and fauna with noteworthy bird species.
You will be bowled over by the rhododendron, fir, deodar and spruce trees dotting the landscape besides hearing the twitter of several birds. These birds include the western tragopan, blue magpie, brown fronted pied woodpecker, and little forktail.
As you keep climbing uphill you pass many Sainj river dams and after hours of continuous trekking you reach the Sainj Valley.
Soaking in the beauty of the trail that has the dominant peaks of Raktisar glacier you pass the Dalogi and Lower Nai villages to reach the Tindadhar campsite.
The next leg of the Sainj Valley Trek begins as you take the uphill trail from the campsite passing through dense forests.
In a span of thirty minutes you make it to a colossal waterfall and a place called Nuhada. Here, you spend some time before you head back to the Tindadhar campsite.