Matsyapurana 108.32

108.32

gaṅgā ca yamunā caiva ubhe tulyaphale smṛte
kevalaṃ jyeṣṭhabhāvena gaṅgā sarvatra pūjyate //

You should also get yourself devoutfully sprinkled with its holy water. There are many other tîrthas, by bathing into which a man goes to heaven. Those who die there are not re-born. The Yamunâ, too, has been described to be sacred like the Ganges, but the latter is held more in veneration as the older of the two, by all classes everywhere.—31-32.