Upper Harz Lake and Summer Festival 2026

Look forward to games in the water and on land, a colourful mile in the Waldseebad Clausthal - an event for young and old! Summer in the Oberharz is cool! During your summer Harz holiday, the Oberharzer See- und Sommerfest awaits you on Sunday, 12 July 2026, from 11.00 to 18.00 at the Waldseebad Clausthal-Zellerfeld,

which belongs to theUpper Harz Water Regal UNESCO World Heritage SiteAdmission to the family festival costs €4.50 per person (aged 6 and over), including all water and land games (except beach volleyball) and swimming.

Subject to change without notice.

The programme

  • Beach volleyball
  • Tiger duck rodeo and competitions
  • Dinghy rides and running on the water with large water balls
  • Aqua paddlers for children
  • Super highlight stand up paddle
  • Pirate bouncy castle from the AOK
  • Bubbelsoccer for teams of 3 to play
  • Special stamping station for the Harz hiking pin
  • Colourful range of stands with treats and drinks
  • and much more
© GLC AG