Covering an area of 400 m², the historical barn of Mont-Saint-Jean Farm is the ideal location to organise your private or professional events,
accommodating up to 550 persons. In addition, the barn boasts a large patio at the back, increasing its capacity by nearly 500 m².
The barnyard is reserved for the attendants of each event. The barn has been fully equipped with state-of-the-art light and sound equipment by our partner Son Excentrique.

The Wellington Room

This large room of 290m² can accommodate up to 300 people, depending on the layout of the place.


The Lion’s Orangery & Terrace

This 110 m² room overlooks the famous Lion’s Mound . Depending on the room’s layout, it can welcome from 28 to 80 people
seats up to 50 persons. During your visit, you can admire its magnificent cellars where countless brews are stored. The Organgery also gives access to a terrace.

Organic Tent (Courtyard)

This one has a large terrace with a surface of 400 m ² and a “Berber concept” Organic Tent of 150 m ². The Courtyard is the ideal place for the organization of your private and professional events, which can accommodate up to 100 people.

Moreover, it gives a direct access to the Barn which can increase its capacity of 400 m². During each event, the courtyard is privatized for the occasion.

The courtyard can be fully equipped by our partner “Son Excentrique” and benefits from all the latest sound and light equipment.


The hall of the Templars

Located next to the brewery, this 60 m² room is suffused with the spirit of the farm. Intended for smaller groups, it
seats up to 30 persons. During your event, you can admire its magnificent cellars where countless brews are stored.

Room capacity



400 m²

Wellington (Trio)

290 m²

Lion’s Organery + Terrace

110 m²

Organic Tent

150 m²

Templar’s Hall

60 m²

theater Theatre 300 240 60 80 32
conference Classroom 100 50 28 18
banquet Banquet 320 120 48 90 24
U-Shape 200 60 26 18
cocktail Cocktail 550 300 80 100 30

Venue rental

Venue rental includes the following elements :

  • Space reserved for the caterer
  • Toilets
  • A wooden bar with taps can be installed in the barn, enabling you to offer your guests the famous Waterloo draught beers (price on request).
  • Wi-Fi is free of charge.
  • Cleaning before and after the event
  • Costs (heating / electricity)
  • Car park

All events are accompanied by a high-quality culinary service, that’s why we only work with a select list of
caterers. They provide you with impeccable service within your budget, aligned to your traditions and persuasion.
This list will be presented to you during your visit.

Our catering partners :

Since every event is unique, we only work with high-quality providers in order to personalise the event to your requirements.

Inform us of your wishes and we will fulfil them…

We offer flexibility as well as creativity, so we can propose a range of complementary services to turn your event into a success.

  • – Photo booth
  • – Floral decoration
  • – Equipment rental
  • – Tent or marquee
  • – Live music
  • – Light and sound show
  • – Wedding planner
  • – Cloakroom lady
  • – Cloakroom service
  • – Valet parking
  • – Activities for children (clown or magician)
  • – Team building activities
  • – Security service, etc…

A custom-made quote is made for each complementary service.

Staying at a nearby hotel for greater comfort…

Situated within a stone’s throw from Grand Hôtel de Waterloo and just a few kilometres from Château du Lac de Genval, we are partners of
“Martin’s Grand Hotel”. We offer high-quality accommodation for the whole family to relax in peace and quiet in a comfortable setting. And at an affordable price!


Jérome Marit

Event Manager

Mobile: 02/655.62.66