Fleeing to the Wilderness, When and Why

Understanding when the True Jews are to flee to the wilderness to escape the Great Tribulation coming as told by prophecy.

http://www.mappery.com/map-of/Sinai-Peninsula-Map-Journey-of-Israelites-from-Egypt-to-Promised-Land

The Wilderness location:
The Sinai Peninsula: https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjmusvq-aHeAhVN0FMKHb7hBegQjRx6BAgBEAU&url=http%3A%2F%2Fwww.mappery.com%2FSinai-Peninsula-Map-Journey-of-Israelites-from-Egypt-to-Promised-Land&psig=AOvVaw3BUNyQZYibP0PpG6zR-h28&ust=1540569028907464