In the Middle Ages the Hahnheide, the name means "Hohe Heide", was still associated with the Sachsenwald . Due to the economic use until 1821, the forest population shrank more and more. In the middle of the 19th century, the reforestation began, so that today 95% of the area is again forested. The area was placed under nature protection in 1938 .
The Große Hahnheider Berg ( observation tower named after the former mayor Otto Hergenhan "Langer Otto" was built there in 1974 and rebuilt in 2001 with a height of 27 m. The highest point, however, is the Kleine Hahnheider Berg, which strangely a little higher than its directly opposite counterpart.) is located in the 1,450 hectare area . A wooden
The road laid out in the 18th century through the Hahnheide from Trittau to Hohenfelde consists of a paved part on one side and an unpaved so-called summer path on the other. Today it is a listed building .
A 25 hectare area of Hahnheide has been designated as a natural forest cell since 1982 .
- Ulrike Graeber: Hahnheide nature reserve. In: Stormarn, the green bridge between Hamburg and Lübeck. Bad Oldesloe 1998, pp. 159-161.
- Bernd Friz: The "Hahnheide" nature reserve. In: Nature conservation and landscape management in the Stormarn district. Neumünster 1991, pp. 34-48.
- Ordinance on the "Hahnheide nature reserve" in the Trittau Forestry Office, Stormarn district. Stormarn district, March 2, 1938, accessed on March 28, 2020 .
- Stormarn Monument List. Stormarn district, January 6, 2020, pp. 64–66 , accessed on March 28, 2020 .
- Profile of the Hahnheide natural forest cell ( Memento from March 4, 2016 in the Internet Archive )