Sariska became a sanctuary in the year 1958. The sanctuary came under the project Tiger in 1979 and became a national park in 1982. It is located at Kankwari fort, near Alwar, on the Delhi Jaipur Highway.
The terrain is predominantly hilly, as it lies in the Aravalli range. It has total area of 788 sq. kilometres, with a core area of approx. 47sq. kilometres.
Sariska National Park is known for its tigers, its most popular resident. According to the latest available data, there are about 35 tigers at Sariska. Rajasthan is a pristine platform for viewing wildlife in the country because of its two national parks and over a dozen sanctuaries. Other wildlife in the park includes sambhar, chital, wild boar, hare, nilgai, civet, four-horned antelope, gaur (Indian bison) and porcupine.