Literally means ‘Hot Water’. Tattapani is 29 kms from naldehra, located on the right bank of the river satluj at an altitude of 656 mtrs. This natural sulphur spring is pure and has curative powers of various kinds. The temperature of the water keeps fluctuating depending on the water level of the river. River rafting is handled by trained operators. The powerhouse at chabba which is 18 kms from naldehra provides a starting point for the 11 km river rafting stretch to Tattapani. Tattapani is also famous for trout fishing. The season begins from 31st march-31st Oct. Fishing fees are nominal.