Multiple choice general knowledge science & technology The headwaters of a stream are always located: at the terminus of the stream where it enters another body of water at the source of the stream along the longitudinal profile of the stream all of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Headwaters are the upstream beginning or source of a stream, typically located at the highest elevation where water first accumulates to form a channel. The terminus where a stream enters another body is the mouth, not the headwaters.