Sahastradhara, located at a distance of around 14 km from the heart of the city, is a popular tourist attraction of Dehradun. Literally meaning 'Thousands fold Spring', Sahastradhara is a beautiful spring, having a depth of around 9 m.Owing to the presence of sulphur in the water of this spring, it is believed to have medicinal value. Besides medicinal merits, the spring is also known for its beautiful views. The beauty of this spring is further enhanced by the surrounding caves and Baldi River.The water of this spring has lime, which contributes towards the formation of projecting ridge that eventually takes the shape of a cave. Due to its medicinal properties and beautiful views that can be enjoyed at this place, Sahastradhara is popular among a large number of tourists.