The <a href="https://en.wikipedia.org/wiki/en:Serran%C3%ADa_de_Hornocal" class="extiw" title="w:en:Serranía de Hornocal"><b>Serranía de Hornocal</b></a> are a range of <a href="//commons.wikimedia.org/wiki/Mountain" class="mw-redirect" title="Mountain">mountains</a> located near the city of <a href="https://en.wikipedia.org/wiki/en:Humahuaca" class="extiw" title="w:en:Humahuaca">Humahuaca</a>, province of <a href="https://en.wikipedia.org/wiki/en:Jujuy_Province" class="extiw" title="w:en:Jujuy Province">Jujuy</a>, Argentina. It is a limestone formation with various minerals which had given, after tectonic activity and erosive process, multicolored triangular formations.
<a href="//commons.wikimedia.org/wiki/User:Lahi" title="User:Lahi">Lahi</a>
<span class="int-own-work" lang="en">Own work</span>