The 2026 Leavenworth International Accordion Celebration, will be held in Leavenworth, Washington, USA from June 25th to 28th, 2026.

The event features three main festival venues: the Festhalle, Grange Hall, and the Gazebo.

The Festhalle will be used for the competition, concerts, and vendor displays in the foyer.

The Grange Hall will be used as the education center. It has two floors, the upper floor includes a performance space for all levels of performers, an area for workshops, CD sales, sheet music sales and other vendor displays. The lower level will be used for workshops and free accordion lessons.

The Gazebo is an outdoor performance area for tourists and accordion friends, where accordionists can sign up for 15 minute performance slots.

The festival program will also include a variety of workshops, an accordion parade, some professional accordionists/groups in restaurants during the dinner hour as well as spontaneous jam sessions.
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LIAC performers include Lori Beth Brooke, Blaser-Faver Kapelle, Gail Campanella, Bonnie Birch, Jakob Bean, Thomas Tilton, Toby Hanson, and The Northwest Accordionaires.