Tumlingtar is a region and a city, in Eastern Nepal, between Arun river and Sabha River in Kosi Zone. It is also the deepest valley and biggest Tar (Plain land near the hill) of Nepal. It is situated at 27.30 N, 87.20 E
The indigenous tribe of Tumlingtar is Kumal. Their traditional profession is pot making though only few are practicing this profession now. The other tribes living there are Bahun, Chhetri, Magar, Rai, Tamang and Majhi. The people of this place have really shown the racial harmony. The people of any tribe are always helpful to the rest in the rituals. The total family number of Tumlingtar is about 600.