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COSMO General Meeting 2025

From September 1-5, 2025, the COSMO community will gather in Basel, Switzerland, for the COSMO General Meeting 2025. This annual meeting serves as a key forum for member institutions and partners to review progress, discuss model developments, and coordinate future activities. The program includes plenary sessions and working group meetings, where participants will present research and development results from ongoing COSMO activities and priority projects. Additionally, the meeting provides a platform to assess the evaluation and verification results of the ICON and COSMO models, which are operational in multiple countries. This year’s meeting will be hosted at the University of Basel, providing an excellent environment for scientific exchange and collaboration.

A scenic view of Basel, Switzerland, featuring the historic buildings of Grossbasel along the Rhine River. The calm water reflects the cityscape, including the iconic Basel Minster with its red sandstone towers. The sky is clear and blue, enhancing the vibrant contrast between the lush green trees and the traditional Swiss architecture.
Basel, Switzerland (© Basel Tourismus / Michael Weibel)

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    The COSMO General Meeting takes place in the Kollegienhaus of the University of Basel. The building is centrally located at Petersplatz 1, 4051 Basel and can easily be reached on foot and public transport from anywhere in the City of Basel.

    The closest bus stops are “Spalentor”, “Universiät”, “Schifflände” and “Marktplatz”. The building is barrier-free and accessible for everyone.
      The Kollegienhaus of the University of Basel, a modern building with a minimalist design, featuring a flat roof and large entrance pillars. The facade is adorned with a colorful mural, and blue banners hang from the roof. The surrounding area is filled with lush green trees, and several people are sitting on the steps or walking by under a bright blue sky with scattered clouds.
      University of Basel (© Christian Flierl)

      Directions to the main building of the University of Basel

      • From train station Basel SBB and Basel Badischer Bahnhof: Take bus number 30 to the bus stop “Spalentor” (approx.15min).
      • From Basel EuroAirport: Take the airport shuttle bus number 50 to Basel SBB, then transfer to bus 30. Get off at the bus stop “Spalentor” (approx. 30min).
      • From Zurich Airport: Take the train to Basel SBB (departing from track 3 or 4). Then take bus number 30 to the bus stop “Spalentor” (approx. 1.5 hours total).
      Footpath from Spalentor to Kollegienhaus
      Footpath from Spalentor to Kollegienhaus (© Swisstopo / https://map.geo.admin.ch)

      If you would like to attend the meeting in person, please register at the following link.

      Note that the registration deadline for the on-site event is June 30, 2025.

      Visa Support
      If you need Visa support, please contact us at cosmo.gm25@meteoswiss.ch.

      Participants are kindly requested to make their own hotel accommodation bookings. We provide block reservations for the meeting at three hotels, but participants are free to make their own travel arrangements in the broad range of offerings of the City of Basel. To make use of a reservation,  write an e-mail to the hotel with the booking code.

      Odelya Hotel (Stadthotel im Park)

      • 5 min walking distance to the event location (University of Basel)
      • 10 min walking distance to the old town
      • 161.20 CHF per night incl. breakfast and BaselCard (for free public transport and other benefits)
      • Website Odelya-Stadthotel
      • Booking code: “COSMO Aug. 25” (available until July 21, 2025)
      • Contact for reservation: hotel@odelya.ch
      • Free concellation is possible until 45 days ahead of booked stay
      Hotel Odelya - Entry

      Hotel Motel One Basel

      • In the old town
      • 10 min walking distance to the event location (University of Basel)
      • 179 CHF per night incl. breakfast and BaselCard (for free public transport and other benefits)
      • Website Motel One
      • Booking code: “865157427” (available until June 30, 2025)
      • Contact for reservation: res.basel@motel-one.com
      • Free cancellation is possible until 1 day ahead of booked stay
      Motel One Basel - Lounge (© Motel One)

      B&B Hotel Weil am Rhein/Basel (D)

      • In Germany next to the border of Switzerland
      • 25 min to the event location (University of Basel) by public transport.
      • 75 EUR per night plus 12.90 EUR for breakfast
      • Website B&B Hotel
      • Booking code: “COSMO25” (available until July 31, 2025)
      • Contact for reservation: weil-am-rhein@hotelbb.com
      • Free cancellation is possible until 1 day ahead of booked stay
      B&B Hotel, Weil am Rhein – Exterior View
      A conference schedule displayed in a table format, outlining sessions from Monday to Friday. It includes working groups, plenary sessions, a scientific management committee, an excursion, and social events like an ice breaker apéro and a conference dinner. The schedule is divided into morning, afternoon, and evening activities, with lunch breaks in between.
      Draft schedule. Will be updated.

      The COSMO GM excursion is scheduled for Wednesday, September 3rd. You will have the chance to explore the beautiful city of Basel on selected topical guided walking tours that will introduce you to interesting facts, surprising stories and adventurous anecdotes about Basel.

      We have preselected the following options for you and you can choose to join one of these tours:

      All three guided tours start at the Münsterplatz and last for 1.5 hours.

      We will offer a joint walk from the University of Basel (where the COSMO GM takes place) to the Münsterplatz starting at 2:45 PM.

      After the tours there is an option for you to join us on the walk to our dinner venue. We will take the ferry “Vogel Gryff” to the opposite shore of the river Rhine. We will then walk along the riverside to the Restaurant Turbinenhaus / Aktienmühle, where the Conference Dinner takes place.
        (© Basel Tourismus / Andreas Zimmermann)

        Itinerary

        • 2:40 PM (optional): Meeting point for joint walk: University of Basel, main entrance of the main building
        • 2:45 PM (optional): Joint walk to the Münsterplatz
        • 3:05 PM: Meeting point guided tours: Münsterplatz, Pisoni-Fountain
        • 3:15 PM: Start guided tours
        • 5:00 PM (optional): Ferry “Vogel Gryff” transfer
        • 5:30 PM (optional): Guided walk along the riverside to the restaurant of the conference dinner

        Directions

        All roads lead to Münsterplatz. You can either take the public transport to “Schifflände”, “Marktplatz”, “Barfüsserplatz”, “Bankverein” or “Kunstmuseum”. From all of the stations you then have to walk up for another 5 minutes.
        Meeting point Pisoni-Fountain (https://map.geo.admin.ch/)
        Restaurant Aktienmühle - Courtyard
        Restaurant Aktienmühle – Dinning Room

        The Conference Dinner will take place at the Restaurant Turbinenhaus / Aktienmühle in Basel on September 3rd, 2025 at 6 PM. It is located at Gärtnerstrasse 46, 4057 Basel in Basel’s Klybeck district.

        The industrial look of the restaurant combined with its beautiful courtyard creates a perfect setting for a cozy dinner. The appearance of the Aktienmühle reflects the building’s original use. It was founded by Wilhelm Abt-Bader in 1894 and became one of the largest mills in Switzerland. The dining hall was originally the turbine house of the mill and was used to generate electricity for the mill’s operation. For more information on the history of the Aktienmühle, visit the website History of the Aktienmühle.
        Directions to Restaurant Aktienmühle (https://map.geo.admin.ch/)

        Directions

        Take tram number 8 (for example from the stop “Marktplatz”) to the stop “Wiesenplatz”. Then, walk towards Gärtnerstrasse 46, 4057 Basel. You should reach the Restaurant Aktienmühle within 5 minutes.

        For any questions regarding the event, including logistics or participation, please contact us at
        cosmo.gm25@meteoswiss.ch.

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