KölnTriangle (formerly also known as LVR-Turm) is a 103.2 metres (339 ft)^[1] tall building in Deutz, Cologne, and a prominent landmark in Cologne. The building was designed by Dörte Gatermann of Cologne-based architecture firm Gatermann + Schossig and completed in 2006. Its south facade consists of a double-facade, allowing natural ventilation even at high floors. Next to the high-rise structure, part of KölnTriangle is also a much larger six-story office block with a total gross floor area of 84,300 m² (907,000 sq ft).

KölnTriangle is headquarters of the European Aviation Safety Agency (EASA). The top floor and roof houses a publicly accessible observation deck with panorama views all over Cologne, in particular Cologne Cathedral, directly opposite the Rhine.

• List of tallest buildings in Germany

Media related to KölnTriangle at Wikimedia Commons Media related to views from KölnTriangle at Wikimedia Commons

• Kölntriangle at Structurae
• Official web site of KölnTriangle (in German, English, and French)
• Official web site of KölnTriangle observation deck (in German and English)

50°56′25.50″N 6°58′18″E / 50.9404167°N 6.97167°E / 50.9404167; 6.97167