Tapovan Temple temple also known as Maha Rudreshwar Shiv Mandir. Situated on the banks of the Ganga river. This is a popular religious temple in Dehradun. Every year tourists visit this place all over the world. The name of this temple comes from two Sanskrit words Tapas and Vana. In Tapovan temple Guru Dronacharya indulged in a serious penance. A Shivalinga is also situated in the temple. There is also an ashram fully dedicated to Guru Dronacharya named as Guru Dronacharya ashram.