Kasijy Special Reserve is 20 kilometres (12 mi) north-west of Bemonto (municipality of Antanimbaribe) in the Betsiboka region of Madagascar.

Access is difficult because of the poor roads and there is no accommodation or Park Office in the reserve.

[2] The climate is harsh with a dry season from April to November when the rivers run dry, and the reserve is closed to visitors in the wet season which runs from December to April.

[5] The karst outcrops are covered in dense, semi-deciduous, and dry forest and the typical trees are species of Adansonia, Cedrelopsis and Hildegardia.

[4] Some of the species found:[6] The savanna is graze by herds of introduced zebu.