Dehradun is the main city and the biggest one in Uttarakhand. It sits at a height of 1400 feet above sea level and enjoys nice weather all the time. It’s really close to Mussoorie, just about 30 kilometers away, and it’s like the entrance to Mussoorie and Rishikesh and Haridwar. People also call Dehradun the “Education Center of Uttarakhand” because it has some really good universities and schools.