Cambios

We have taken this non-official route twice in January 2017 and January 2019 without any issue.

Worst case scenario is that you arrive with a several days old exit stamp on the other side and the border control police becomes upset and ask you to walk back on the shortest route (Option 1) to get a fresh stamp but I have not heard this happening in recent years.

*Comment Jan Dudeck: In recent years we and other hikers had no issues staying several days between the Chilean and Argentine border post. Some years ago the situation was different but both sides seams more relaxed now as long as you arrive on the other side with an exit stamp.