Dehradun is a city in the northern Indian state of Uttarakhand. It is located in the Doon Valley at the foothills of the Himalayas and is known for its pleasant climate and natural beauty. Dehradun has lived for thousands of years and has a long and interesting history. It was a very important place in Hinduism, and many saints and sages went there. In the 1800s, the British built a garrison town in Dehradun. It was a popular place for British officials to go on vacation.

Dehradun. The Robber's Cave is a natural cave made by the Ganges River. It is one of Dehradun's most popular tourist spots. People often go to the cave to do exciting things like rappelling and rock climbing.

Dehradun is also known for how beautiful its natural surroundings are. The city is surrounded by forests, making it a popular place for hikers and people who like to be in nature. The Himalayan mountain range makes a beautiful backdrop for the city. The Deoban Trek, the Nag Tibba Trek, and the Kedarkantha Trek are all popular hiking routes.