Sandhan Valley is a deep water carved valley in the Bhandardara region. The base village is Samrad which is about 180 kilometers from Mumbai. It is best to stay at Samrad for one night and start the sandhan valley trek the next day as the trek takes about 5 to 6 hours. The most adventurous part of the trek is the waterfall rappelling. There are two rappelling patches in the entire trek. The valley is filled with water and one has to sometimes wade through neck deep water with your backpacks on your head. So it is advisable to carry a water proof backpack covers. Many local villagers from the Samrad Village act as guides and have equipment for rappelling, but it is advisable to take them along till the end of the trek, as many return back to Samrad after the rappelling. It is possible to camp and cook your own food and the villagers are very helpful and provide fire wood if informed in advance. The trek can be combined with the Ratangad Trek and to see and experience this trek, one requires at least two days.