Robber's Cave, also known as Gucchupani, is a natural cave formation in Dehradun. The cave is surrounded by hills and is a popular picnic spot. In the morning, you can enjoy a walk through the cave's cool water stream. In the afternoon, you can explore the nearby Sahastradhara waterfall, which is known for its medicinal properties. In the evening, you can visit the Mindrolling Monastery, which is one of the largest Buddhist centers in India.
The Forest Research Institute, established in 1906, is a premier institute in the field of forestry research in India. In the morning, you can explore the beautiful campus and visit the museum that showcases the diversity of Indian forests. In the afternoon, you can visit the Tapkeshwar Temple, which is an ancient temple dedicated to Lord Shiva. In the evening, you can visit the Malsi Deer Park, which is home to various species of deer and a perfect place for nature lovers.
Other local attractions that you can visit are the Rajaji National Park, which is a 30-minute drive from Dehradun, and the Tibetan Market, which is a vibrant market that offers a variety of goods and souvenirs. If you have time, you can also visit Mussoorie, which is a popular hill station located 35 km from Dehradun.