Pakke Wildlife Sanctuary and Pakke Tiger Reserve falls in the East Kameng district.  

• Its Southern border merges with the inner line, State borderline between Assam and Arunachal.  
• The tract of the protected area falls within the land area of Pakke river and Kameng river.  

• It has an area of 861.95 Sq.Km with geographical variations of terai and rugged siwalik ranges.  
• After a drive of about 3 hrs. from Itanagar through NH52 one reaches to a point known as CHHAIBARI and the take a right turn, passing through the plains, tea gardens and newly devastated forest vegetation of Assam covering a distance of 28 Km comes Seijusa in Arunachal. 

Source: http://arunachalforests.gov.in/pakke_wildlife_sanctuary.html