This is a version of <a href="//commons.wikimedia.org/wiki/File:Mountains.svg" title="File:Mountains.svg">File:Mountains.svg</a> which is PD. I is designed to be use as a location marker.
<a href="//commons.wikimedia.org/wiki/User:Droll" title="User:Droll">Droll</a>
<span class="int-own-work" lang="en">Own work</span>