Arrive at Dehradun Airport or Railway Station, where your journey into the hills begins. Start by visiting Robber’s Cave, a fascinating natural cave formation with a stream flowing through it. Then stop by the grand Forest Research Institute, known for its colonial architecture and expansive gardens. Continue your scenic drive to Mussoorie, the “Queen of Hills”. Upon arrival, check in to your hotel and spend the evening exploring the lively Mall Road. Overnight stay in Mussoorie.