This is a small stream in a forst in Hieflau, Austria.  The source is just a couple of metres above the upper edge of the view.  It is a tributory to Randlseggbach, which itself flows into Enns in Hieflau.
<a href="//commons.wikimedia.org/wiki/User:Domob" title="User:Domob">Daniel Kraft</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>