Get your dose of serenity at the Silent Valley National Park located in the Kundali Hills of the western ghats, at about 53 kilometers from Palakkad, Kerala. It is India's only rainforest and one of the smallest national parks in the country. The Sairandhri area of the park is the only part open to the general public. One can spot elephants, tigers, leopards, wild boar, sambhar, gaur and the endangered lion-tailed macaque while touring the national park. You can trek to Kunti River from the watchtower and marvel at the beauty of nature and wildlife. It is mandatory to hire a guide to enter the park and you can find one at the entry point.