When there is no rain or snow how do rivers fill up?

Permanent rivers get their water from areas that have more yearly precipitation than what evaporates in those areas. The remainder will either run off into ravines or seep deep into the ground. Here in my town, we have both. Rain falls over the mountains, valleys and canyons. read more

Even with no ice and snow, the river would still be carrying water all year, with a noticeable lull in watershed during summer. Rivers in Southern France are like that, since there are no glaciers left to speak of in that region. read more

B.Yes. Rain runs off over the ground and into the river causing flooding. C.No. Snow and rain that fall into the river fill it up and cause it to overflow. D.No. Rivers can flood after rain has stopped and tributaries have flowed into bigger streams. read more