By air till Dehradun there are flights. Then on you need to take a bus or book a cab to this lovely spot. By train you need to travel till Gangotri shrine then again take a bus or cab to this valley. If you are travelling by road, take Harsil highway and reach Bhairav ghati. Then on use forest jeep to reach this spot, as personal vehicles are not allowed. Located in uttarkhand it is one of the coldest spot, where by permit is a must, which you should check online. This valley is open from May to November only.