Sariska Tiger Reserve is a tiger reserve in Alwar district, Rajasthan, India. It stretches over an area of 881 km² comprising scrub-thorn arid forests, dry deciduous forests, grasslands, and rocky hills. This area was a hunting preserve of the Alwar state and was declared a wildlife reserve in 1955.
Sariska Tiger Reserve is well nestled in the Aravali Hills covering 800 sq km area divided into the grasslands, dry deciduous forests, sheer cliffs and rocky landscape. Nearly 90% of the area in the sanctuary is covered with dhok trees accommodating various wildlife species.