This page is designed for newer browsers. For the best experience, please upgrade to a later version.

Clarion Hotel & Congress Trondheim



Below is the maximum capacity of our event venues.


Round tables: 990 people
Long tables: 1200 people
Mingle: 2000 people


Exhibitors: 50 places
Mingle: 1500 people

Living Room

Mingle: 300 people

The Sky Bar / Astrum Grill & Raw Bar

Bar and mingle: 200 people
Dinner guests: 76 people

Book a Conference

Please contact us for further information and enquiries on +47 73 92 55 11 or via

At the Clarion Hotel & Congress Trondheim you will find the right venue for both large and small events. Modern design, exciting food concepts, a vibrant atmosphere and magical views are uncluded when you plan your event with us.


Our congress hall Cosmos is 1400 square meters, with an 8 meter-high ceiling and can accommodate up to 2000 people. The venue is an exciting option for large events like conventions, exhibitions, trade fairs or kick-offs. With mobile stages, bars and partitions the venue can easily be adapted as needed.


Just outside the Cosmos is Space, our 1030 square meters exhibition and mingle space. Here, we serve refreshment buffets during your conference. The venue has comfortable, designer seating groups and can moved if needed. Space is a venue well-suited for fairs, with room for 50 exhibitors.

Skybar and Astrum Grill & Raw Bar

At the top of the hotel is our restaurant, Astrum Grill & Raw Bar as well as Skybar. Here we can arrange dinners and mingles with a great view of Trondheim, the fjord and Fosenbergen. Small and large sitting areas provide a unique and relaxed atmosphere both inside and out. Astrum Grill & Raw Bar is also a spectacular place to hold confirmations, weddings, parties and events of all kinds.

Personal Service

Our knowledgeable staff will help you plan and execute the perfect event with everything from food and drinks to the decor and entertainment. 28


Do you have a booking code? Enter it here. If you want to do a booking with bonus points or a corporate agreement, please sign in.

Booking code can not be empty

Your Bookingcode has been saved

The booking code is added.