The sanctuary came about into existence with the construction of the Okhla Barrage
way back in the late 1950s and 1960s and is right on the Yamuna River between Delhi
and Uttar Pradesh at the south-eastern end of Delhi on one side and the western
boundary of NOIDA.
With Yamuna River being on the route of Migratory Birds and providing large space
with suitable habitat on its both banks and suitable food in plenty, the birds had
been using this area as a staging post for their migration both ways during the
It is on the east side of Afzal Ganj and just behind the Kalindi Kunj on Delhi side
and just across the main road between NOIDA and Mayur Vihar to the south of The
Noida Toll Bridge Toll Plaza.
Over Three hundred species of birds (out of about 450 species recorded for Delhi
and around Delhi) can be spotted here. The spot is good for birding throughout the
year, though best season is during September-March for Winter Migratory Birds.