lat: 90, long: 123
<a class="boton" href="/">< volver</a>

<iframe 
  width="300" 
  height="170" 
  frameborder="0" 
  scrolling="no" 
  marginheight="0" 
  marginwidth="0" 
  src="https://maps.google.com/maps?q=90,90&hl=es&z=6&amp;output=embed"
 >
 </iframe>


<p>Click the button to get your coordinates.</p>

<button onclick="getLocation()">Try It</button>

<p id="demo"></p>

<script>
var x = document.getElementById("demo");
function getLocation() {
  if (navigator.geolocation) {
    navigator.geolocation.getCurrentPosition(showPosition);
  } else {
    x.innerHTML = "Geolocation is not supported by this browser.";
  }
}

function showPosition(position) {
  x.innerHTML = "Latitude: " + position.coords.latitude +
  "<br>Longitude:"+position.coords.longitude+'<br><a href="https://www.google.cl/maps/@"'+position.coords.latitude +
  "," + position.coords.longitude+',20z">Ver mi ubicación</a>';
}
</script>