Narok County is situated in the southern part of the Great Rift Valley. Narok lies between latitudes 0° 50´ and 1° 50´ South and longitude 35° 28′ and 36° 25´ East. The county borders the Republic of Tanzania and six other counties – Nakuru, Bomet, Nyamira, Kisii, Migori County and Kajiado.
The main cash crop grown in Narok County is wheat.
As of 2018, gold production from mines located in Narok County was 111 kg.