If you live in an American city chances are a river runs through it. But do you know where the river goes, or where the river comes from? We all recognize the need for clean water for fishing, recreation and for life as we know it, but how much do we really know about our watershed’s source, destination and landscape?

A new mapping website called Streamer helps shed light on this important question. To find out where your river water comes from, and where it goes, click here or on the map.

So…where does your river flow?