The hype
Reviewers are obsessed with the 'cool factor' of the building and the rooftop bar, but often disappointed by the small, awkward room layouts.
Hotel Wasserturm Cologne, Curio Collection
$150-250/ night
Book this if You want to sleep inside a piece of industrial history with 360-degree rooftop views, and you don't mind sacrificing a little practicality for serious architectural drama.
Why People Love It
- The architecture: It's a 19th-century brick water tower with round rooms
- Bar Botanik: The rooftop greenhouse bar has the best panoramic views in Cologne
- The location: Quiet residential pocket, but just a 15-minute walk to the Cathedral
Quick Take: A visually stunning conversion that occasionally feels like style over substance—expect round beds, narrow stairs, and the faint, lingering scent of its watery past.
Reviewed by @Daniela: I’m still dreaming about my stay in this converted water tower! The architecture is mind-blowing, and sipping cocktails at the rooftop bar while watching the sunset over Cologne was the highlight of my trip. The room felt so cozy and unique with its curved walls.
Guest Who Stayed Here Said
Reality check
The 'luxury' label feels a bit stretched when you're dealing with worn carpets, missed housekeeping spots, and a €31 breakfast buffet.
- You're an architecture nerd who loves adaptive reuse projects
- You want a romantic, moody weekend away from the tourist crush
- You prioritize a killer rooftop bar scene over a spacious bathroom
Cleanliness & Maintenance
8
- Housekeeping: Generally daily and decent, but reports of missed dust in architectural crevices and under beds.
- Bathroom hygiene: Mostly sparkling, but watch out for grout issues in older bathrooms and the aforementioned mildew whiff in some foyers.
- Maintenance: Showing its age. Scuffed paint, worn carpets, and occasional AC malfunctions are the main complaints.
- Linens & towels: Standard Hilton quality—clean and crisp, though some guests noted stained sheets in isolated reviews.
- Odors & scents: The lobby smells expensive; the hallways can smell like an old basement (damp/musty).
Sleepability™
7.5SILENT
0-4LOUD
4-7.5MODERATE
7.5-10SILENT
- Street noise if windows are open due to weak AC
- Rooftop bar bass vibrating through upper floors on weekends
Before you book
Good to know
- City tax is 5% of your room rate, payable at the hotel
- Breakfast is steep at ~€31/person; walk to a local cafe instead
- The 'gym' is functional but small—don't expect a full fitness club
What to pack
- Earplugs (essential for weekends or if you're a light sleeper)
- Slippers (carpets can feel a bit worn)
- European power adapter (outlets can be oddly placed in round rooms)
Room Genie
Best picks
- Deluxe King Aqua Rooms on higher floors for better light and less street noise
- Junior Suites if you need actual floor space—the standard round rooms feel tight
Rooms to avoid
- Duplex Suites if you hate stairs or need the bathroom on the same level as the bed
- Lower floor rooms facing the street (privacy and noise issues)
Room Request Genie – copy & paste
“I'd love a room on a high floor (7th or above) facing the garden/courtyard side to minimize street noise. Please avoid the Duplex suites as we prefer a single-level layout.”
FAQ & Hidden tips
Everything you actually want to know before you book.
Is there really a pool?
No. Despite the name 'Wasserturm' (Water Tower) and some confused algorithms, there is absolutely no pool. There is a sauna.
Is it close to the Cathedral (Dom)?
Yes, it's about a 15-20 minute pleasant walk or a short U-Bahn ride (Poststraße station is 200m away).
How is the Wi-Fi?
Generally reliable and free, suitable for streaming and emails.
Can I bring my dog?
Yes, it's pet-friendly, but expect a fee of around €25-40 per stay.
Is the rooftop bar open to the public?
Yes, Bar Botanik is a local hotspot. Hotel guests usually get priority, but reservations are smart on weekends.
Does the hotel have parking?
Yes, on-site garage parking is available for ~€29 per day.
Insider Tips
- ✨
Skip the hotel breakfast and head to 'Kaffeesaurus' or 'Hommage' for better coffee and vibes at half the price.
- ✨
The sauna is often empty during the day—great for a private-feeling sweat session.
- ✨
Ask for a 'pillow menu' at check-in; they have options, but they don't always advertise them well.
5 things to know before you go
💡The 'mildew' smell: It's a 150-year-old water tower; some corridors have a persistent damp, earthy funk.
💡The round rooms mean furniture is often wedged in awkwardly—expect wasted space behind the headboard.
💡The elevators are slow and small; during checkout time, take the stairs if you can.
💡The 'garden' is nice but often dominated by smokers from the bar.
💡Housekeeping can be hit-or-miss with dusting high ledges in the unique architectural nooks.
Local Playbook
Map
See where Hotel Wasserturm Cologne, Curio Collection is located and what's nearby.