Mahakali (), is one of the fourteen zones located in the Far-Western Development Region of Nepal, covering an area of 6,205 km² in the most western part of the country. It stretches along Nepal's far western border with India, marked by the Kali River or Mahakali River, which originates from Limpiyadhura, a disputed location for whether or not the Tricountry border point of Nepal and India with China.