Located 46 kms from Delhi, Sultanpur National Park, is just a- short drive away from the Delhi - Jaipur Highway. A stretch of marshy land has been remodelled. The artificial mounds have turned into green glades. The marsh has been converted into a water body. A number of organisms like crustaceans, fish and insects thrive during floods, which attract a number of birds to this area.
The vegetation of this park is tropical and dry deciduous and the flora include grasses, dhok, khair, tendu, ber, jamun, acacia, and banyan tree.
The park is home to a large range of birds, both resident and migratory. Migratory geese and Siberian cranes spend the winter in Sultanpur and there are also the demoiselle cranes, ruddy shelducks, pelicans, Flamingos , bar-headed geese, grey lags, gadwalls, mallards, pochards, shovellers and teals. Local species include plovers, red-wattled lapwings, herons, cormorants, white ibises, spoonbills and painted storks.
Other wildlife in the park include blackbuck, nilgai, hog deer, sambar, wild dog or dhole, caracal, wild cat, hedgehog, mongoose, striped hyena, Indian porcupine, rattle/honey badger, leopard, wild pig, and four horned antelope.