Buková hora, Mountain summit in North Bohemia, Czech Republic

Zinkenstein (Buková hora) is a phonolite summit in the České středohoří, 12 km south of Děčín and 15 km east of Ústí nad Labem, rising above the Elbe valley near Malé Březno and Těchlovice. Its slopes are wooded with beech, oak and conifers, and the summit carries a 223.4 m television tower and the Děčínská bouda lodge.

On 14 October 1778 Emperor Joseph II climbed the hill from Verneřice via Příbram to choose observation posts against the Prussian army in the War of the Bavarian Succession. In 1837 Alexander von Humboldt visited; a bronze memorial plaque replaced a wooden one in 1922. In 1879 the Liběšice estate owner Josef Schroll built a wooden lookout, replaced in 1914.

The rocky summit is called Humboldtová vyhlídka after Alexander von Humboldt, who climbed the mountain in 1837; a bronze memorial plaque was later fixed to the basalt rock. A two-room wooden hut built on top in 1905 by the Mountain Club for Bohemian Switzerland served refreshments on Sundays and holidays, with food and water carried up from the foot in baskets. The site is now known as Děčínská bouda.

The summit is reached by marked hiking trails that start from several points in the surrounding area. The nearby village of Zubrnice offers parking and is a convenient starting point for the approach.

The summit's rocky top is called Humboldtová vyhlídka, named for Alexander von Humboldt, who visited in 1837; a bronze memorial plaque replaced a wooden one in 1922. About 20 m below the summit on the southeast slope, a rock crevice called Ledová jáma holds ice even in summer.