Bismarck Tower, Observation tower in Kallstadt, Germany.

Bismarck Tower is a 36-meter sandstone structure that rises from the Peterskopf summit on the eastern edge of the Palatinate Forest. From the top, visitors look out over the forested landscape and can see far across the region on clear days.

The Drachenfels Club began planning the monument to Otto von Bismarck in 1896; after an architects' competition in 1901, Friedrich Kunst of Karlsruhe designed it and it was built from February 1902 to mid-1903 in Neo-Romanesque castle style with Jugendstil elements. The inauguration took place on 5 July 1903. In 1925 a concrete floor of the second viewing platform collapsed during a school class visit, and in 1928 the relief destroyed by French occupation troops after World War I was renewed.

The tower is a monument to Reich Chancellor Otto von Bismarck, planned from 1896 by the Drachenfels Club, a local heritage society that still organises its upkeep and ran the 2003 centenary. Its neo-Romanesque castle style with Jugendstil elements comes from Karlsruhe architect Friedrich Kunst. The relief on the tower was renewed in 1928 after French occupation troops destroyed it following the First World War.

Access is from the east side through a gate, an inner passage along the south wall and a second gate to the base; the outer west stairs are locked. From the lower platform, 20 steps lead to the second platform at 13 m, then 72 stone steps and a 14-step metal spiral staircase reach the top platform at 30 m.

The tower's top platform has a telescope installed in 2021 with a 20 cm lens and hundredfold magnification, aimed across the Upper Rhine Plain lying over 400 metres below. The tower also serves as the finish of the Bad Dürkheim Hill Run each October, an 8,700-metre route with 510 metres of climb.