Wadia Institute of Himalayan Geology
Another place worth a visit is the wadia institute of himalayan geology. it is the best center on himalayan geology in the country and has done some pioneering work in the field. a museum displaying the geological diversity of the sub-continent is the center of attraction here and a must see for all those visiting the institute.
Also known as guchchu pani,situated at a distance of eight km from the city center.robber's cave is a beautiful picnic spot. on display here is one of nature's strange phenomena; a stream of water goes underground here and reappears a few metres away. the cave is surrounded by hills and is a beautiful getaway for those looking for peace and quiet of the hills.
A large Buddhist monastery in the Tibetan Nyingma tradition.
The Char Siddhs
Comprising a group of four temples around dehradun : lakshman siddh along the dehradun-rishikesh road 12 km from dehradun, kalu siddh near baniyawala, manak siddh near shimla bypass road and madu siddh near premnagar. small temples in scenic and as yet unspoilt locales. it is commonly believed that visiting all four siddhs in a single day will fulfill a devotee's wishes.
The FRI Museum
Forest research institute. lavish environs and one of the largest institutes of its kind. guided tours available. open:9am-1pm and 2:30pm-5:30pm. admission free. photographs are allowed, but no flash indoors.a large collection of forest products and many gallaries about forest.their have 6 gallaries :-* pathology gallary
Tiger View Jungle Camp
Village goolar khalla, post saura, via raipur, dehradun (http://harkidun.com/)