Though the straight line distance from the source to its confluence with the Darna is only about 50 km., it has a very long and winding course which measures about 80 km [REF].
On the right bank, at Belu, the river Darna receives the Kadva, not the large river of that name, but a small stream flowing north-eastwards between Mhordan-Katlia hills on the west and Kalsubai-Bitangad-Patta range on the east in the south-eastern part of Igatpuri taluka.