Bill Mixon beat me to it. The coordinates for El Sotano are 21 18 39 N,
99 40 02 W. I had heard some years ago that there was a better way to
hike to El Sotano from a then-new road rather than the original route,
which started at the highway at the bottom of the mountain.
It's too bad Google
Apparently there¹s a group of 4x4 enthusiasts who are attempting to reach
Sotano del Barro via jeep. Anyone know more about this? ³El Sotano² was a
backpacking-only destination back in the day but I suppose there could have
been some roadbuilding in the area over the past 43 years.
Here are some