The ISA Rheinquartier cordially invites you to the summer festival and open house on Sunday, August 16, 2026. From 11:00 a.m. to 5:00 p.m., you can expect a barbecue buffet, coffee and cake, and a raffle with great prizes.

For the little guests, there is a bouncy castle, the children's circus "Circus-AG ISANI," and cotton candy.