Schloss Hallwyl in Seengen, canton of Aargau, offers a tithe-barn hall for up to 135 guests, a courtyard for open-air events and three civil wedding rooms. It can be rented for weddings, business events, cultural events and private celebrations between April and October. The castle is a moated historic site run by Museum Aargau, so the setting is a heritage monument rather than a hotel.
Seminars and company events
The official rental page lists business events among the uses of the Schlossscheune, the castle barn, which takes up to 135 people. The same capacity applies when the barn is combined with the Schlosshof, the courtyard, for an event that moves between indoors and outdoors. The page does not give seating plans, so theatre, banquet and standing capacities have to be confirmed with the castle. It does not describe seminar technology or breakout rooms either. Plan the place for a company reception, a client evening or an anniversary dinner rather than a multi-day seminar.
Weddings and receptions
Civil, free and church weddings are all named on the site. Three rooms are set up for civil ceremonies: the Ziviltraulokal Schlossscheune for up to 75 people, the Ziviltraulokal Wilhelmina for up to 25 and the Ziviltraulokal Turmzimmer, the tower room, for up to 6. The civil rooms are booked through the civil registry office of Lenzburg. The barn and courtyard serve for the reception, the standing aperitif or the banquet.
Rooms and capacities
The Schlossscheune holds a maximum of 135 persons. The Schlossscheune with the Schlosshof also holds 135. The Schlossbistro, a small room used for an aperitif, a lunch or a children's birthday, holds 25. The three civil wedding rooms hold 75, 25 and 6. The maximum for any event is 135 persons.
Catering
The rental page does not say whether catering is in-house or by a chosen caterer. Ask the castle before you fix a menu, since the answer changes the budget and the kitchen logistics.
Booking rules
Rental runs from April to October only. Requests for the following year can be sent from January 1 of the current year. A single organiser can ask for up to three offers at the same time. Weddings and events are therefore planned well in advance.
History and setting
Schloss Hallwyl stands near Lake Hallwil in the municipality of Seengen. It is one of the ten sites of Museum Aargau, which also runs the castles of Lenzburg, Habsburg and Wildegg. The castle is open to visitors as a museum, and rentals take place around the visiting program.
Getting there
Seengen lies in the canton of Aargau, in the Seetal valley, between Zurich and Lucerne. The official site has a page on access by public transport and by car.



