Why is there a huge difference between these maps and Mapster?

I was verifying maps in OSM in order to edit them and I noticed that there is a great difference in part of the region I was reviewing, elevations do not coincide at all. Mapster appears to be closer to how the terrain is. Does anybody know the reason?

mapster differences

asked 08 Aug '13, 02:01

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OpenStreetMap itself does not record elevation (except for mountain peaks usually). So please explain exactly what you were comparing to what.

(08 Aug '13, 09:13) Frederik Ramm ♦

Also, which "Mapster" are you talking about here? A quick search of the Internet suggests a couple of candidates. Also (if it's relevant, depending on answer to the first part) where did it's data come from?

(08 Aug '13, 10:08) SomeoneElse ♦

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question asked: 08 Aug '13, 02:01

question was seen: 1,284 times

last updated: 08 Aug '13, 10:08

Why is there a huge difference between these maps and Mapster?

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