Borowski Summer Festival 2026
21–23 August 2026 | Wintermühlenhof 15, Königswinter, Germany
Three days dedicated to glass art, inspiration and meaningful encounters await you once again this year in the enchanting setting of the historic Wintermühlenhof. From 21 to 23 August 2026, we will host our large open-air summer exhibition in Königswinter – and you are warmly invited to mark your calendar now.
Expect a weekend filled with atmosphere, conversations, discoveries and luminous objects set throughout the park.
Don’t miss your invitation
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What you can expect
New Releases 2026
Experience the latest creations for the first time in the park setting – in dialogue with light and shadow, historic architecture and nature.
Summer Specials
It has become a tradition: especially for the Summer Festival, our glass artists create something extraordinary. Experiments, one-of-a-kind pieces, new colors – and each year, it surprises us as much as it delights you.
Atelier Pieces
Special works not available through retail.
ODD BIRDS
When the ODD BIRDS appear, things rarely remain ordinary. We are curious to see what they will come up with this time.
STUDIO LINE & ART OBJECTS
Collectors and admirers of the STUDIO LINE collection as well as the ART OBJECTS will also find much to discover. A dedicated exhibition area and special presentations offer space to explore at your leisure.
OUTDOOR OBJECTS in their natural habitat
They take center stage: our OUTDOOR OBJECTS reveal their full impact in the park surrounding the Wintermühlenhof. Among trees, water and open lawns, they show exactly what they were created for.
Relaxed encounters
Cozy spots and time for inspiring conversations.
Catering
Enjoy a break with coffee and cake or a warm meal.
Discover more:
Tips & Ideas
If you have some extra time and would like to explore more attractions in the area, we have compiled a selection of recommended hotels and restaurants, as well as cultural highlights and excursion tips for you.
Hirschburg is located only about a 20-minute walk from Gut Wintermühlenhof.
Drachenburg Castle in the Siebengebirge with a view of Königswinter and the Rhine Valley
The Steigenberger Grandhotel & Spa Petersberg is a 6-minute drive from the Borowski Glass Studio.