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Katholisch-Soziales Institut

Cologne / Bonn · Germany

Bergstraße 26View location

9.2/10Excellent65 Reviews
Cleanliness9.6/109.6
Service9.2/109.2
Comfort9.2/109.2
Condition9.4/109.4
Neighborhood8.8/108.8
Amenities8.0/108.0
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  • Business hotels

Room prices, availability, meal plans and cancellation terms are confirmed for your selected dates.

About Katholisch-Soziales Institut

When you stay at Katholisch-Soziales Institut in Siegburg, you'll be within a 10-minute drive of Aggua Troisdorf and Bilderbuchmuseum Burg Wissem. This hotel is 1.9 mi (3 km) from Oktopus and 5.7 mi (9.2 km) from Sieben Hills Nature Park.

Take advantage of recreation opportunities such as a 24-hour fitness center or take in the view from a rooftop terrace and a garden. Featured amenities include complimentary wired Internet access, a business center, and complimentary newspapers in the lobby. Planning an event in Siegburg?

This hotel has facilities measuring 2659 square feet (247 square meters), including a conference center. Self parking (subject to charges) is available onsite. At Katholisch-Soziales Institut, enjoy a satisfying meal at the restaurant. Relax with a refreshing drink at one of the 2 bars/lounges.

Stay in one of 108 guestrooms featuring flat-screen televisions. Complimentary wired and wireless Internet access keeps you connected, and cable programming provides entertainment. Private bathrooms with showers feature complimentary toiletries and hair dryers. Conveniences include desks and separate sitting areas, and housekeeping is provided daily.

Read more about this hotelShow less

A stay at Katholisch-Soziales Institut places you in the heart of Siegburg, steps from Abtei Michaelsberg and 8 minutes by foot from Stadtmuseum Siegburg. This hotel is 1.6 mi (2.6 km) from Oktopus and 4.2 mi (6.7 km) from Aggua Troisdorf. Stay in one of 108 guestrooms featuring flat-screen televisions.

Complimentary wired and wireless internet access keeps you connected, and cable programming provides entertainment. Private bathrooms with showers feature complimentary toiletries and hair dryers. Conveniences include phones, as well as desks and separate sitting areas.

Featured amenities include complimentary wired internet access, a business center, and complimentary newspapers in the lobby. Planning an event in Siegburg? This hotel has 2659 square feet (247 square meters) of space consisting of a conference center and meeting rooms. Self parking (subject to charges) is available onsite.

Popular amenities

Free WiFi
Parking available
Concierge
Laundry
Gym
Entertainment
Non-smoking
Business facilities
Banquet facilities
Accessible facilities

Check-in and check-out

Check-in from 3:00 PM
Check-in until midnight
Check-out until 10:00 AM
Minimum check-in age 18

Hotel policies

Professional property host/manager Pets not allowed

Important information

  • Special Instructions
    Front desk staff will greet guests on arrival at the property. Information provided by the property may be translated using automated translation tools.
  • Instructions
    • Extra-person charges may apply and vary depending on property policy
    • Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
    • Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
    • Guests must contact this property in advance to reserve cribs/infant beds and rollaway/extra beds
    • This property accepts credit cards, debit cards, and cash
    • Safety features at this property include a fire extinguisher
  • Minimal age
    18
  • Optional fees
    • Self parking fee: EUR 12.00 per day
    • Rollaway bed fee: EUR 35.0 per night

    The above list may not be comprehensive. Fees and deposits may not include tax and are subject to change.

  • Spoken Language

    German

    English

Nearby attractions

Abtei Michaelsberg 0.1 km / 0.1 mi
Stadtmuseum Siegburg 0.6 km / 0.4 mi
Oktopus 1.3 km / 0.8 mi
Bergisches Land Nature Park 2.5 km / 1.5 mi
Aggua Troisdorf 3.5 km / 2.2 mi
Golf Course Bonn 7.2 km / 4.4 mi
Labyrinth 7.9 km / 4.9 mi
Bilderbuchmuseum Burg Wissem 8 km / 4.9 mi
Bergisches freilichtmuseum Lindlar 9.1 km / 5.6 mi
Sieben Hills Nature Park 9.2 km / 5.7 mi
Das Labyrinth 10.4 km / 6.5 mi
Gallery Acht P 12.8 km / 7.9 mi
Badestelle Rotter See 12.9 km / 8 mi
Golfanlage Clostermanns Hof 13.6 km / 8.5 mi
Kennedy Bridge 13.7 km / 8.5 mi

Hotel facilities & services

Services and fees can vary. Check the selected room details and hotel policies before booking.

  • Total number of rooms: 108
  • hotel
  • 24-hour reception
  • Check-in hour
  • Check-out hour
  • Wi-fi
  • Laundry service
  • Lift access
  • Garden
  • Terrace
  • Newspapers
  • Luggage room
Show 8 more facilities & services
  • Library
  • Bar
  • Restaurant
  • Conference room
  • Meeting room
  • Business centre
  • Non-smoking establishment
  • Minimum check-in age: 18
Upon availability

Room types

These are the hotel's room types, rather than live offers. Choose your travel dates to see available rooms, prices and booking conditions. Check availability

  • JUNIOR SUITE STANDARDJUNIOR SUITE • STANDARDJSU.ST

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    JUNIOR SUITE STANDARD

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–5 • Adults: max. 5 • Children: max. 3
    Room type
    JUNIOR SUITE
    View / characteristic
    STANDARD

    Adult and child limits apply within the room's total guest limit.

    Room code: JSU.ST

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • SUITE PREMIUM CITY VIEWSUITE • PREMIUM CITY VIEWSUI.CV-PI

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    SUITE PREMIUM CITY VIEW

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–8 • Adults: max. 8 • Children: max. 5
    Room type
    SUITE
    View / characteristic
    PREMIUM CITY VIEW

    Adult and child limits apply within the room's total guest limit.

    Room code: SUI.CV-PI

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • DOUBLE STANDARDDOUBLE • STANDARD • 1 BedroomDBL.ST

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    DOUBLE STANDARD

    Room photos

    Photos are not available for this room type.

    Room overview

    Non-smoking room
    Occupancy
    Guests: 1–4 • Adults: max. 4 • Children: max. 3
    Bedrooms
    1
    Room type
    DOUBLE
    View / characteristic
    STANDARD

    Adult and child limits apply within the room's total guest limit.

    Room code: DBL.ST

    Facilities with extra charge

    • Wi-fi

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • TWIN COMFORTTWIN • COMFORTTWN.OM

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    TWIN COMFORT

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–4 • Adults: max. 4 • Children: max. 3
    Room type
    TWIN
    View / characteristic
    COMFORT

    Adult and child limits apply within the room's total guest limit.

    Room code: TWN.OM

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • QUADRUPLE STANDARDQUADRUPLE • STANDARDQUA.ST

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    QUADRUPLE STANDARD

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–6 • Adults: max. 4 • Children: max. 3
    Room type
    QUADRUPLE
    View / characteristic
    STANDARD

    Adult and child limits apply within the room's total guest limit.

    Room code: QUA.ST

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • SINGLE BASICSINGLE • BASICSGL.Z1

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    SINGLE BASIC

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–1 • Adults: max. 1 • Children: max. 0
    Room type
    SINGLE
    View / characteristic
    BASIC

    Adult and child limits apply within the room's total guest limit.

    Room code: SGL.Z1

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • SUITE SUPERIORSUITE • SUPERIORSUI.SU

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    SUITE SUPERIOR

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–8 • Adults: max. 8 • Children: max. 5
    Room type
    SUITE
    View / characteristic
    SUPERIOR

    Adult and child limits apply within the room's total guest limit.

    Room code: SUI.SU

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • DOUBLE AccessibleDOUBLE • AccessibleDBL.H6

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    DOUBLE Accessible

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–4 • Adults: max. 4 • Children: max. 3
    Room type
    DOUBLE
    View / characteristic
    Accessible

    Adult and child limits apply within the room's total guest limit.

    Room code: DBL.H6

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • SINGLE STANDARDSINGLE • STANDARD • 1 BedroomSGL.ST

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    SINGLE STANDARD

    Room photos

    Photos are not available for this room type.

    Room overview

    Non-smoking room
    Occupancy
    Guests: 1–1 • Adults: max. 1 • Children: max. 0
    Bedrooms
    1
    Room type
    SINGLE
    View / characteristic
    STANDARD

    Adult and child limits apply within the room's total guest limit.

    Room code: SGL.ST

    Facilities with extra charge

    • Wi-fi

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

  • SINGLE COMFORTSINGLE • COMFORTSGL.OM

    Photos are not available for this room type.

    Katholisch-Soziales Institut

    SINGLE COMFORT

    Room photos

    Photos are not available for this room type.

    Room overview

    Occupancy
    Guests: 1–1 • Adults: max. 1 • Children: max. 0
    Room type
    SINGLE
    View / characteristic
    COMFORT

    Adult and child limits apply within the room's total guest limit.

    Room code: SGL.OM

    Limited room details from hotel

    Available rooms, prices and included facilities are confirmed after you choose your dates and rate.

Guest reviews

What other guests saying about Katholisch-Soziales Institut

9.2
Excellent
65 Reviews
Cleanliness
9.6 /10
Service
9.2 /10
Comfort
9.2 /10
Condition
9.4 /10
Neighborhood
8.8 /10
Amenities
8.0 /10
20 reviews shown
10/10
Exceptional
14 May 2026
Steven
,
8/10
Excellent
06 May 2026
Sandra
Worth a visit for the stunning views and unique architecture.
Booked as a mid point stop on a long drive to Germany. Convenient due to proximity of the motorway and underground parking.
Location is stunning!
The property has been restored to a very high standard- amazing architecture combined with the highest quality of fittings and materials.
The views were amazing at sunset.
When we arrived we were allocated a room which had not been cleaned from the previous guest however the staff swiftly arranged another room, we arrived late in the day after a long drive to be told the restaurant was closing at 9pm and it was too late to order ( it was a public holiday). To be honest we were tired so it wasn’t a huge problem.
The entrance to the car park is VERY tight be warned if you have a large vehicle. We just managed it in our SUV.
Our room was huge!
Partner
8/10
Excellent
27 Feb 2026
Werner
Excellent in all areas
Self
10/10
Exceptional
26 Nov 2025
olivier
Amazing hotel overseeing Siegburg. The hotel is quiet, breakfast amazing. Highly recommend.
Business
10/10
Exceptional
20 Sep 2024
Yu
Such a gem! We have recommended this hotel to all my friends in case they come to Bonn or Koln.
10/10
Exceptional
08 Dec 2023
CAGLAR
stayed 1 night for business. different experience as a hotel... huge corridors with an enjoyable restaurant.
Business Friends
10/10
Exceptional
28 May 2026
Lorenz
Sehr großzügige frühere Abtei oben auf einem Hügel in Siegburg. Sehr komfortabel, riesige Flure mit Marmor.

Wird überwiegend für Seminare der Kirche genutzt, wenn man Glück hat kann man dort auch mal ein Zimmer buchen.

Sehr sehenswert.
Business
10/10
Exceptional
12 Aug 2025
Anders

Unikt läge och god kvalitet

Överlag bra hotell med unik känsla i och med att det är ett gammalt ombyggt kloster uppe på ett berg mitt i Siegburg.
Bra frukost och personal som är väldigt serviceinriktad när du väl prata med dem, men vi upplevde att de \"gömde\" sig lite grann innan man tog initiativet själv.
Det finns goda möjligheter till parkering på hotellet samt laddning för elbilar även om de själva verkar ha glömt bort det. Dock är det VÄLDIGT trångt att manövrera i garaget och för att ta sig ut, så har du ett långt eller stort fordon rekommenderas annan parkering.
Friends_and_family Family
10/10
Exceptional
24 Jun 2025
Verified traveler

Excellent stay in historical atmosphere

Business trip but a marvellous hotel, quiet, beautifully situated in natıre in a former monastery. Excellent breakfast and dinmer buffet. Recommended to get local experience.
Business
10/10
Exceptional
17 Mar 2024
Nils
Sehr schön! ☺️
Leisure Friends
10/10
Exceptional
16 Nov 2023
Fabrizio

SEHR EMPFEHLENSWERT

Es ist wirklich eine tolle Adresse. Ich kann das Hotel nur empfehlen. Super service und tolle mitarbeitern. Herzlichen Dank
Friends_and_family Family
10/10
Exceptional
07 Oct 2023
Elisabet

Un lugar excelente

Es un lugar impresionante, las habitaciones son muy completas, limpias, espaciosas.
El lugar es precioso.
Un buffet desayuno muy completo.
Business
8/10
Excellent
29 Sep 2022
Nils
Allt var perfekt utom den italienska buffen som jag åt på kvällen. Den startade 18:00, jag kom dit 19:00. Det kändes som maten stått framme sedan 18 utan att fyllas på. Det mesta var slut men ingen fyllde på trots mitt påpekande. Den var riktigt dåligt på en annars fantastisk hotellupplevelse utöver det vanliga. Synd.
Business
4/10
Poor
04 Sep 2021
Christophe

A lot of wasted potential

It's an amazing place , and a lot of the buildings are beautiful. However the rooms are small but with an amazing view. They have an amazing large terras with a extraordinary view, however you can't get drinks or food there. The restaurant is one level lower, with almost no view and a buffet that felt like I was in school again. Which is weird in a hotel where the cheapest room was 120 euro.
The small bar Anno 17 is way beter for food and drinks however they only do snacks.

In short. This could be an amazing 5 star hotel, but it isn't
Business
10/10
Exceptional
17 Aug 2021
Peter

Erstklassiges Hotel

Ein herrliches Hotel mit erstklassigen Zimmern und einer tollen Aussicht über Siegburg
Friends_and_family Family
10/10
Exceptional
26 Jul 2021
Verified traveler
Ein einzigartiges Ambiente mit einem tollen Blick - leider hatte ich nicht genügend Zeit, um alles zu genießen.
Leisure Self
10/10
Exceptional
02 Jun 2021
Michael

schöne Lage oberhalb von Siegburg

freundlicher Empfang, Lage ist natürlich super (oberhalb der Stadt) und man ist schnell in der Stadtmitte, auch schöne Möglichkeit zur Erholung im Park, sher großes Zimmer, geräumiges Bad, wirklich sehr ruhig, gutes Frühstück auch wenn es momentan etwas kleiner ausfällt aber gute Qualität und frische Brötchen. Ich komme gerne wieder.
Business
10/10
Exceptional
22 May 2021
Fuat

Sehr angenehmer Aufenthalt

Nach langer zeit wieder Mal in der Gegend zu tun gehabt und im KSI zwei Zimmer gebucht. Die Zimmer sind geschmackvoll und modern. WLAN funktioniert bestens und mit dem Schreibtisch im Zimmer, kann man seine Arbeit am Computer sehr gut erledigen. Es gibt für mich hier nichts zu beanstanden. Der weite Blick auf die Umgebung ist sagenhaft. Das KSI Team hat es sogar hinbekommen, ein tolles Frühstück in diesen Corona Zeiten sehr gut organisiert anzubieten. Anders als viele andere Unterkünfte, die kein Konzept erstellen und das Frühstück einfach streichen.
Business
4/10
Poor
03 Aug 2020
Giovanni
It's very clean. Definetely. Just some details that I did not like at all. In the gym area there are very good restrooms, but no hand soap... dispensers completely empty. And the outside retaurant is ridiculous. The rest is fine, clean, very clean, and the restaurant is fantastic.
Business Self
8/10
Excellent
16 Jan 2020
Wilfried
Ungewöhnliche Lage hoch über Siegburg mit weitem Blick.
Ehemaliges Kloster mit langen Gängen, alles erstklassig renoviert.
Eine kleine Bar im Haus für einen Absacker am Abend fände ich angenehm.
Business Friends

Location & surroundings

Katholisch-Soziales Institut
Bergstraße 26, Siegburg, Germany

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Katholisch-Soziales Institut

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