A gps also called as Global Positioning System, is used to locate your accurate coordinates in a map in a real time system if you use it with a gps receiver. A question for you, do you think having a gps or some may call it as a gps hiking unit is really that important?
Somehow you might say no, in a case where you will go on a place which is known to you. But it what if you will travel to a place which is unknown like camping on a mountain or forest, will you need a gps reciever? I know some of you will say yes with that question and some will insist with no.
It is sometimes hard to choose either to have a gps hiking unit or not. But just to be practical enough especially when you love to travel, have a gps hiking unit to save your time from being lost.