7 vs 40
Hello, I agree with the others. Rt40 is a bucket list item, however the best part is the northern section, the southern is very barren and dare I say boring.
rt 7 is built through the mountains, and there has been significant efforts to pave it so there is less and less dirt every year.
There are some ferries to take south of Port o Mont. I would suggest zig-zag between the two routes as there are interesting things to see on both. The border crossing between Chile and Arg are free, fast, and friendly (just DO NOT try to take fruit or meat into Chile). We crossed 8 times when we did it (Nov '14-Mar '15) and no issues at all just make sure they enter your data correctly every time.
The best free source for Garmin maps is Free worldwide Garmin maps from OpenStreetMap
Enjoy.
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Take Care
Stew and Brenda
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