Probably not. A basic GPS will do little more that report your current position as a geographic coordinate. You'll need to relate these coordinates to your position on a map and then decide how to navigate based on that.
It is however useful to recall that humans have been able to navigate successfully without maps and high tech gadgets for thousands of years. I've been working on how to teach people to navigate without such a reliance on gadgets. I'll put a link to this info once the page is up.