What are some rivers that flow uphill?

The answer is yes, if the parameters are right. For instance, a wave on a beach can flow uphill, even if it's for just a moment. Water in a siphon can flow uphill too, as can a puddle of water if it's moving up a dry paper towel dipped in it. read more

Underground rivers do flow uphill just like the water that flows ‘uphill’ in pipes every day. The traps under sinks work with siphon action, the weight of the water pulls the water up the bend. Water A goes uphill. read more

Essentially, the regular downhill flow is overcome by uphill flow caused by the large increase in the volume of water. A second example, which is cheating a little, are the sub-glacial rivers of Antarctica. read more