The park covers a reservoir and year round green jungle in the Tanaosri Ranges, which are the origins of many rivers, including Maenam Phetchaburi and Maenam Pranburi. The unexploited, wholesome jungle makes the park rich in flora and fauna. In addition, visitors may spot leopards, tigers and elephants. The 18-level waterfall named Namtok Tho Thip, located approximately 54 kilometers from the Park Office on the Sai Wang Won-Namtok Tho Thip route is worth a visit. There are viewpoints along the route are not only suitable for bird and butterfly watching but also provide magnificent views of misty mountains in the morning.