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So i need to get some maps for peru for my oregon 450t. I have a .gpx and a .kmz versions of the trail routes. My problem is i can't for the life of me figure out how to get a good map to lay these coordinates over that will show up in the gps. Is there any way to take a google map terrain screen and import it into my gps. google earth would be okay as well. I am a total noob and this is probably a dumb question but I just would love to be able to hike the area with some more detailed maps than just the blank maps that are available in the general garmin world map.