What is the name of the 350m high hill and Gustav Arthur Graser and his brother Karl Graser co-founded a social reform settlement?
Gustav Gräser Gustav "Gusto" Arthur Gräser (16 February 1879 – 27 October 1958) was a German alternative lifestyle advocate, artist, and poet. He is considered one of the fonders of communal lifestyle in Germany. Together with his brother and fellow artist Karl Gräser, he co-founded one of the earliest social reform settlements, which was located along Monte Verità in Ascona. His penned and painted works included many of that were not published until a revival of interest during the counterculture of the 1960s emerged.
Sackwald The Sackwald is a ridge, up to  sea level (NN) high, in the Lower Saxon Hills in the district of Hildesheim in the North German state of Lower Saxony. It is named after the village of Sack in the borough of Alfeld, the name meaning "Sack Forest".