Area:
305 sq km as a result of extension. Earlier area was 155 sq km.

Established:
Gazetted in 1973 as Royal Sukla Phanta Wildlife Reserve. In 1969 it was declared as Royal Hunting Reserve and was a famous hunting area.

Location:
Far western Terai in Kanchanpur District in Mahakali zone. The eastern boundary of this reserve is formed by the Chaudhar river by the International boundary pillars in the forest and partly by the Mahakali river.