
1) Mountain of Lower Saxony 2) Mountain under 1000 metres
Found on
https://www.crosswordclues.com/clue/stöberhai

The Stöberhai is a mountain the Harz highlands in Central Germany, immediately south of the Oder Dam and northwest of Wieda. At a height of {Höhe|720|DE-NN|link=true} it is the highest mountain in the South Harz. The origin of the name is uncertain, but it is suggested, that a charcoal burner called Stöber may have had his charcoal store (Hai) ...
Found on
http://en.wikipedia.org/wiki/Stöberhai
No exact match found.