Johannser Kogel, Mountain summit in Lainzer Tiergarten, Vienna, Austria.
Johannser Kogel is a 377-meter summit located in the Lainzer Tiergarten in Vienna with dense oak forests covering its slopes. The area displays varied plant communities adapted to different conditions across the terrain.
The area was designated as a nature forest reserve in 1972 to protect its ancient woodland. Oak trees here are over 400 years old and grow following natural patterns.
The mountain serves as an educational center where researchers and visitors study forest dynamics, natural decomposition processes, and indigenous species through guided expeditions.
The reserve is accessible only through guided tours lasting about four hours starting from Nikolaitor. Visitors should bring comfortable shoes and be prepared for changing weather conditions.
Some oak trees in this forest area have trunk circumferences exceeding four meters, revealing their age and rarity. These massive trees form an important feature of the ancient woodland ecosystem.
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