How do springs originate at the top of the hills and how do they acquire such volume of water?

Question

One explanation that I found was rainfall but it is not apparent that rainfall could contribute to such volume of water.

In: Geology

Answer 1

Springs are the result of the water table rising above the land surface. This can happen as aquifers fill over hundreds or thousands of years.

These aquifers typically form in cavities, or large holes, in the bedrock. These cavities are likely to exist/form in local depressions in the landscape. Therefore, they can form at higher elevations if the area is lower in elevation than the surrounding area.

Edit: My apologies. A few people pointed out the second paragraph is misleading. I described an artesian aquifer, while aquifers come in many shapes and forms. Regardless, the point is that a spring is formed when water stored in aquifers underground flow onto the Earth’s surface.