Sultanpur Bird Sanctuary is a popular national park located at Sultanpur 15kms from Gurgaon on Gurgaon - Farrukhagar Road. It’s a paradise for bird watcher and wildlife lovers. Best time to visit here is winter from September to February when large number of migratory birds come here. Sultanpur Bird Sanctuary consists of big lake which is a habitat of around 250 species of birds out of which some are resident and other come from places like Siberia, Europe and Afghanistan.