There are plenty of good options for nature lovers and adventure seekers. However, a week is an ideal time to explore all the gems of Nainital. In case of limited days, visit the must-see sites like Naina Devi Temple, Bhimtal Lake, and Tiffin Top. You can also add more activities like camping at Pangot and bird watching at Kilbury. In addition, try the local dishes and sweets of Nainital to explore the rich culture of the town.