Hilltop Hot Spring, in the Long Valley Caldera with <a href="https://en.wikipedia.org/wiki/Glass_Mountain_(California)" class="extiw" title="en:Glass Mountain (California)">Glass Mountain</a> in the background, during a thunderstorm, in Mono County, eastern California.
<a href="//commons.wikimedia.org/wiki/User:Eeekster" title="User:Eeekster">Eeekster</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>