the province has occupied higher mountains land of north and mid-hills of nepal. it contains kubi gangri, changla and kanjiroba mountains in north. the shey phoksundo national park with phoksundo lake is the largest national park of nepal and rara lake is the largest lake of nepal which are located in karnali pradesh. karnali river is the biggest river of the province which is thought to be longest river of nepal. seti river and bheri river are tributaries of karnali.