Location, location, location! But the Petersberghotel, located in the dreamy Siebengebirge neighborhood, has more than just a great location – it has a huge history. 110 years ago, Cologne water producer Ferdinand Mülhens opened a luxury spa hotel in Petersberg. Five years ago, the address, which had been converted into a federal government residence, became a truly magnificent hotel, the only state-owned hotel in the country.
