Sahastradhara - Sulphur Water Pools Known for the medicinal merits and therapeutic value, Sahastradhara has collection of water pools where water drips from limestone stalactites, turning it to sulphur springs. Apart from medicinal springs. This place is situated on the banks of the small river, Kali Gad which a tributary of Song River. The place has magnificent beauty of nature where water drips from the limestone stalactites, making the water abundant in sulpur and thus the place is known for its sulphur springs. It is sulphur water spring of relatively lower temperature than its surroundings. It is a warehouse of excellent beauty of caves, waterfalls and terrace farming on steppe by the local people. Its magnificent nature attracts people from faraway places. This place is at about 11 km from the city of Dehradun.