Howu Happa is a village in Yazali tehsil in district of Lower Subansiri, Arunachal Pradesh, India. As per the data provided by Census of India in 2011, total population of Howu Happa was 7 which includes 5 males and 2 females. Howu Happa covers 1500 ha area. Pincode of Howu Happa is N/A.