by Marisa De Luca | Mar, 2025 | architecture, EN, points of interest, Rhine region
From the terrace of the castle, you can see as far as Cologne Cathedral and, of course, the whole of Bonn. The view, under a bright blue sky, is truly magical. Fortunately in the 1970s a citizens’ initiative was able to save the castle from demolition with a view to construct a motorway junction.
The castle has had a chequered history since it was built as the headquarters of the Teutonic Order in the 13th century in connection with the Crusades. Until secularisation in 1803, it was the economic base of the Teutonic Order and then the seat of several noble families. The remarkable architecture that can be seen today was created in a predominantly neo-Gothic style after a major fire broke out during reconstruction in 1842.
Among the numerous owners, the first youthful resident, Baroness von Francq (stepdaughter of the then owner, Prince Joseph zu Salm-Reifferscheidt-Dyck), deserves special mention. She lived in the castle from 1861 to 1881 and left her mark on the castle, which had since been spruced up with the addition of an English-style extension – at that time the rooms for the ladies – and the expansion of the extensive Ennert Park, including the planting of exotic trees. She also had some of the furnishings installed, which were unusually modern for the time, such as a powder room on the upper floor.
Another owner, Albert Moritz Freiherr von Oppenheim, also left his mark. As a banker and art collector, he was responsible for the interior design of the castle, which is particularly evident in the stairwell and in today’s restaurant. This heritage – wall panelling and historicist-style ceiling mouldings – was gradually restored by the new owners after the building was used by various institutions after the Second World War. The result is an extraordinary hotel and restaurant, and further rooms on the upper floor are being restored while business continues. Today, people are proud of the fact that Tina Turner liked to stay in a suite in the white tower, away from the hustle and bustle of Cologne, and that other celebrities, sheikhs with their families or guests from the worlds of business and politics now also stay here.
Since 2017, a Cologne restaurateur and an investment company have been running the extraordinary restaurant, hotel and the coach house for events. It is even possible to have a civil wedding here at the Schlosshotel Kommende. It’s definitely worth a visit!
by Annette Bohlen | Jan, 2025 | architecture, EN, points of interest, Rhine region
I remember well the cement factory, which was vacant in the 1990s (we called it the ‘ghost house’), which we had to go around on the bike path to Königswinter. Today, here – on the sunny side of Bonn – it is a very popular meeting place at the weekend. Cyclists take a break here, families use the lawns and play ground, and pubs and restaurants entice you with food and drink.
The history of the Portland cement factory ended in the 1980s. Then began a long and varied process of planning, tendering and competitions to determine what could be built there.
Rhine promenade with Portland Cement building in view
Finally, an outstanding example of the transformation of an industrial site was created – and is still being expanded – on a beautiful new Rhine promenade. Innovative architecture, sustainable urban planning and an attractive mix of uses blend well with the converted cement factory, a water tower and the former director’s villa.
Planning and conception
Planning for the Bonner Bogen began in the early 2000s and was overseen by renowned architects and urban planners such as Karl-Heinz Schommer. The master plan envisaged a mix of uses, including office space, hotels, restaurants and residential accommodation. A key element was the integration of the site into its natural surroundings, in particular by taking advantage of its proximity to the Rhine and orienting the buildings towards the river. The architectural design emphasised modernity and high-quality materials, while historical elements, such as the heritage-listed water tower, were preserved and integrated into the new buildings.
Sculpture “Mother Earth” by American artist Barton Rubenstein
Particular attention was paid to ecological sustainability. The buildings were constructed according to modern environmental standards, with a focus on energy efficiency and the use of renewable energies.
Implementation and establishment
The construction phase began in 2004 and was realised in several stages. One of the first and most well-known buildings is the Kameha Grand Hotel, which opened in 2009. With its architecture and special interior design, it has become an emblem of the Bonner Bogen. It attracts not only tourists, but also companies for events and conferences.
“Egg” by Marcel Wanders
Numerous office spaces were built next to the hotel, which are used primarily by companies in the technology, science and consulting sectors. The combination of modern workplaces, high-quality gastronomy and recreational spaces such as the Rhine Cycle Route makes the location a sought-after place for companies and employees.
The entire area has been easthetically enhanced with the addition of several sculptures including: the sculpture “der Denker” by German artist Dieter W. Meding which sits in front of the headquarters of software developer SER; the sculpture “Mother Earth” by American artist Barton Rubenstein, which sits in front of the restaurant Rohmühle; and the sculpture “Mother Earth”, earmarking the 75th anniversary of the United Nations.
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