The Scharfenstein is a mountain, 697.6 m above sea level high, in the Harz Mountains of Germany, near Ilsenburg in the district of Harz in Saxony-Anhalt. It is part of the Harz National Park.
Wikipedia https://en.wikipedia.org/wiki/Scharfenstein_(Ilsenburg)
Address 38871, Germany
Coordinates 51°49'56.286" N 10°36'2.69" E