You can also opt for a day trip to Mussoorie from Dehradun and enjoy the stunning views of the Himalayas. Bungee jumping and river rafting in Rishikesh are also popular activities for adventure enthusiasts. Maximize your fun by including a visit to Haridwar and attending the Ganga Aarti at Har Ki Pauri. You can also go for a trek to the Kempty Falls or the Chandrabadni Peak.