Hasselkopf
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Hasselkopf is a mountain on the southern periphery of Braunlage, Germany. It is 612 m high.
The hill is mostly covered in grass and undeveloped, but its northern slope has a short ski lift and can be used for downhill skiing in the winter months.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
On 7 May 1964, the hill was used by Gerhard Zucker to unsuccessfully attempt to demonstrate the use of mail rockets. One exploded in an accident, killing three.<ref>Template:Cite book</ref>