Hi, new here and asking the obvious cream of the crop here 'if it can be done'.

I am looking to build a campaign map for an upcoming campaign, and rather than go down the same sort of path I have before I wanted to try something new, but bearing in mind that I am pretty much a mapping newb.

My 'vision' is to make a Googlemap type affair of the gameworld where players could plot routes and examine terrain, and I could adjust POI's of things (like known trouble hotspots).

What I REALLY wanted to do was take an existing lowly populated landmass (say...Iceland or Tasmania) in GoogleEarth and throw off all the main roads city names etc, and go back and overlay my own locales. Is it possible?

What would be the best steps for a newcomer to take towards this goal, or is it waaaay too ambitious?