Forest Lands in Nagaland

Recorded Forest Area: 9,222 sq km, 55.62% of State's area.

National Parks: 1
Sanctuaries: 3

Total area: 22,236 ha, or 1.34% of total area.

(State of Forests Report 2005, Forest Survey of India)

But note that only 0.93% of the forest area is classified as reserved forest and 5.51% as protected forest (in practice it is doubtful that even these exist).  The rest is "unclassed forest", in practice community lands.

District-wise forest cover data is available in the Forest Survey of India's State of Forests Report 2005, Nagaland chapter.