The garden also contains an arboretum, Six lakes, hills (to represent the Alborz and Zagros mountains and Himalayas), rock garden, a waterfall, a wetland, desert plants areas, a salt lake and a wadi, a river about 1 km long, systematic area, fruit garden, picnic area with some pavilions and other facilities. The botanical and horticultural library has more than 11,000 volumes.