In the morning, go for river rafting on the Ganges River. After lunch, visit the Beatles Ashram, and end the day with an evening aarti ceremony at Triveni Ghat.
In the morning, go for a hike to the Neer Garh Waterfall. After lunch, visit the Rajaji National Park for an adventurous wildlife safari.
Start the day with a trek to Robber's Cave. After lunch, visit the Mindrolling Monastery and end the day with a visit to the Tapkeshwar Temple.
In the morning, go for a jungle safari at Rajaji National Park. After lunch, visit the Forest Research Institute and end the day with a visit to the Malsi Deer Park.
Start the day with a hike to Gun Hill for a beautiful view of the Himalayas. After lunch, visit the Kempty Falls and end the day with a visit to the Lal Tibba Scenic Point.
In the morning, go for a trek to the Mossy Falls. After lunch, visit the Camel's Back Road and end the day with a visit to the Mussoorie Lake.
Depart from your hotel for Dehradun Airport or Railway Station.
Consider visiting the Swarg Ashram in Rishikesh for a yoga and meditation session. Take a side trip to Haridwar for the Kumbh Mela festival, which happens every 12 years. To maximize your fun, try paragliding in Mussoorie. Finally, don't forget to try the local street food, especially chaat and kachoris.