Alte Post in Müllheim hosts day meetings, workshops and multi-day seminars for up to 90 participants, as well as company parties, family celebrations and weddings. The hotel sits in the Markgräflerland on the edge of the Black Forest, between Freiburg and Basel, close to the point where Germany, France and Switzerland meet. The Mack family has run it for 40 years, and the house combines bedrooms, five meeting rooms and a restaurant on one site.
Seminars and company events
Every meeting room has daylight. Five rooms cover most formats, from a six-person board meeting in the library room to a plenary of 90 in the Posthaltersaal. The day package, called Tagen pur, bundles room hire, basic presentation equipment, a coffee break, lunch, drinks, writing pads and high-speed wifi, and includes parking with a charging point for electric cars. From the Gartensaal, participants step straight into the garden for breaks. For summer company parties the hotel also offers its garden, and its catering team can deliver food to an office, such as a seasonal goose dinner.
Weddings and receptions
The hotel hosts weddings and private celebrations built around regional cooking and personal service. Room options and menus for weddings are set out in a wedding folder available from the hotel. In good weather, receptions can move outdoors into the garden, the plane-tree garden or the inner courtyard.
Rooms and capacities
The Posthaltersaal is the largest room by capacity, with 66 square meters, daylight and space for up to 90 people. The Gartensaal measures 95 square meters, takes up to 80 people and opens directly onto the garden. Gingko, at 80 square meters, holds up to 50. Reggenhag, 38 square meters, suits workshops of up to 30. The Bibliothek, 25 square meters, is a compact room for up to six. The site does not give seating layouts, so these figures are maximums.
Accommodation
Guests sleep on site in single rooms, double rooms with a balcony or a patio facing the park, design doubles and family rooms, from 20 to 32 square meters. The hotel does not publish its total number of bedrooms, so a group of more than a few dozen should check availability early.
Catering
The restaurant, the Hebelstube, serves creative regional cooking every day from noon to 9 p.m., with a garden restaurant in summer. The kitchen holds two Gault&Millau toques and 84 Falstaff points, and the hotel runs cooking classes. It works with regional producers and presents itself as an environmentally committed hotel.
History and setting
Alte Post marks its 40th year under the Mack family in 2026. The grounds include a park, a farmer's garden, a plane-tree garden and a courtyard with wisteria. The hotel has received a Heritage Hotels of Europe award.
Getting there
The hotel stands on Posthalterweg, along the B3 road in Müllheim. Müllheim (Baden) station on the Rhine Valley line is the nearest rail stop, with connections to Freiburg and Basel. EuroAirport Basel-Mulhouse-Freiburg is the closest airport. Parking and electric car charging are available on site.





