Passage: The area is arid and flat, given to plains with occasional hills and seasonal streams. Karkaraly National Park, covering 90,300 hectares, is located in the region, as well as Kyzylarai mountain oasis, known for its natural environment and historical sights.The Ishim (Esil) River, a tributary of the Irtysh River, begins in Karaganda Region; the Nura River is the region's other major river. Both river are replenished with water from the Irtysh, supplied by the 451 km long Irtysh–Karaganda Canal.

Question: How big is the Karkaraly National Park?
90,300 hectares