Start your morning with a 2-km trek to Robber's Cave, also known as Gucchupani. This natural cave formation is surrounded by hills, and the river flowing through the cave adds to its beauty. You can take a refreshing dip in the cold water or just enjoy the scenic views. After lunch, visit the nearby Sahastradhara, a beautiful waterfall with therapeutic value. End your day with some shopping at the Paltan Bazaar.
In the morning, visit the Forest Research Institute, an institute for forestry research and education spread across 450 hectares of lush greenery. After that, head to Tapkeshwar Temple, a famous Hindu shrine dedicated to Lord Shiva. The temple is situated in a cave and has a natural spring where you can bathe. Spend your afternoon and evening relaxing at the hotel or exploring the local markets.
Start your day by visiting the Mindrolling Monastery, one of the largest Buddhist centers in India. The monastery complex is beautifully decorated with Tibetan architecture and houses stunning murals and statues of Lord Buddha. After lunch, head to Malsi Deer Park, a zoological garden that houses a variety of animals and birds, including deer, peacocks, and tigers. You can also enjoy a toy train ride here. End your day with a visit to the Clock Tower and some delicious street food.
On your last day, visit the Rajaji National Park, a vast wildlife reserve that is home to tigers, elephants, leopards, and many other animals. Take a jeep safari through the park and enjoy the scenic views of the Shivalik range. After lunch, visit the nearby Har Ki Dun, a picturesque valley that is great for trekking and camping. End your day with some souvenir shopping and a delicious dinner at one of the local restaurants.
Other attractions and experiences you can consider are the Tibetan Market, Tapovan, and the Asan Barrage. You can also take a day trip to the beautiful hill stations of Mussoorie and Dhanaulti. To make the most of your trip, try to book your accommodations near the city center, and hire a private cab for all your local travels.