I am going on a field trip and I just wanted to know if it is at all possible to make use of the iPhone for the go cache hunting here. Well not for getting the images for sure. I wanted to know if I can put the co-ordinates of the locations in the iPhone here. I just want to know if at all it is possible here. I am sure that this is possible here in the iPhone but I do not know the way of doing this. So please if someone has already come across with this I will be happy to know how you were able to get this done in the iPhone of yours. I just want to mark up the locations here so that it will be easy for me to locate the location from the co-ordinates. Please suggest me the way by which I can enter the co-ordinates here.