River Tons is the largest tributary of river Yamuna, an important Himalayan river draining through the Indo-Gangetic plains before merging with the river Ganga at Allahabad in northern India.
River Ton is die grootste sytak van die rivier Yamuna, 'n belangrike rivier Himalaja dreineer deur die Indo-Gangetic vlaktes voor die samesmelting met die rivier Ganga op Allahabad in die noorde van Indië.