Originally Posted By: larry818
Why don't you just overlay your trail map on that grading map on gaiagps.com?


From reading this page:

http://blog.gaiagps.com/plot-a-precise-trail-with-the-gaia-gps-trail-finder/

It doesn't look like their elevation data will be any better than what Doug is getting with Google (though probably quicker to obtain).
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