Bonifazius-Türme, Twin office towers near Central Station, Mainz, Germany
The Bonifazius-Türme are two office towers next to Mainz Hauptbahnhof, the tallest buildings in Rhineland-Palatinate's capital. Each rises about 100 metres over 24 floors, with aluminium windows that open up to the ninth floor in Tower B. The public library Anna Seghers occupies part of the complex, and a car park fills the basement.
Completed between 1976 and 1977, the towers replaced an earlier plan for a single 130-meter structure. This shift in design resulted in the current twin tower configuration that stands today.
The public library "Anna Seghers" occupies space in the towers, and the youth service of ARD and ZDF, funk, has been based on the 22nd floor of Tower A since April 2016. The towers are named after the neighbouring St. Bonifaz Church, not after the saint's own foundations.
Underground parking with 450 spaces is available, including five accessible spots for people with disabilities. The lot operates 24 hours a day to accommodate all visitors.
The first Mainz stair run took place on 22 November 2004; the fastest participant covered the roughly 600 steps up to the 24th floor and back down in 4:24 minutes. For the Mainz fire brigade's 175th anniversary in 2024 the event was revived as Towerrun Mainz and held again in 2025.
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