I did a google search of "Mllehj" and there's only four responses (all of which refer to the original article)
http://www.google.com/search?hl=en&q=Mllehj&btnG=Google+Search
None give specifics on where the hill is. Google did offer to translate this forum from German into English since the original post was partially in German.
The headline on one of the articles when translated became "Denmark Becomes Even Flatter."