There are several big rivers in the District . The mighty Brahmaputra flows on the northern side of the district . The Desang river touches this district for a few miles terming the boundary of Dibrugarh and Sivasagar before it falls into the Brahmaputra. Dikhow, Darika and Janji are the other main rivers of the district . The Janji river terms the western boundary of the district with Jorhat district. The entire drainge system of the district finds its way to Brahmaputra . There are many others small rivers in the district . During winter season, people start to come for picnic on the bank of almost all rivers.