 Both basins are part of the Chao Phraya Watershed.The Nan, Wang Thong and Wat Ta Yom Rivers flow through Bang Krathum, and the Yom River forms part of the border between Bang Krathum and Phichit.The minor district ("king amphoe") Bang Krathum was created in 1927 by combining three sub-districts from Mueang Phitsanulok District and three sub-districts from Pa Mak District, the present-day Wang Thong District.