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Save the date: 

1./2. Mai 2027

Opening the water sports season on Lake Thun together

For everyone who can't wait for summer: The Lakeside Opening brings sport, fun and community on and by the water. Whether being active yourself or as a spectator – there is something for everyone here! For young and old - big and small. The family weekend at Lake Thun.

Adventure Course

Get involved, overcome challenges and win great prizes

  • sporty and creative activities to try
  • get to know local clubs
  • Walk-In Events: Just come by

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Competitions

Whether relaxing and enjoying or competing in a sporty manner – fun & action are the focus (SUP, kayak, rowing, outrigger, team boats)

  • SUP Kids & Juniors
  • SUP Beach Race
  • Lake Crossing Interlaken-Thun / 18km
  • Shortdistance Thun-Thun / 7.5km
  • Halbmarathon Rowing Thun-Thun / 21km
  • Rowing Coastal Beach Race

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Festival catering and live music

Look forward to live music right by the lake: With Ramun Clau and Al-Berto, you can expect two acts that will create just the right atmosphere for the Lakeside Opening.

Whether it's relaxed vibes in the afternoon or exhilarating beats in the evening – their sounds combine summer, water, and good energy into an unforgettable experience. Come by, enjoy the music, and let the day by the lake end perfectly.

from 5:00 PM in the festival tent.

Big Wave Swiss Tour

The tour of the trend sport makes a stop in Thun.

On our pumpfoil platform, you have the opportunity to try out the trendy sport or jump straight into the tour.

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Registration TOUR / Disclaimer 

Opening Strämu

Long awaited, it is now time again. The Thun bathing season can start. Our Lakeside Sportvillage is located in the middle of the Strämu.

  • Ohni.Thun - bunt, wild, authentisch ... und natürlich lecker
  • various exhibitors
  • Indulge in a joyful catering experience with live melodies - take a moment to relax and celebrate in great company.

Bestätigte Acts für das Live Konzert: Ramon Clau und Al-berto

Village plan

Inclusion with PluSport

With Sport Plus, we show that water sports know no boundaries. Experience what is possible with a disability and let yourself be inspired!

  • Custom fabrications wakesurfing, foiling
  • Stand with athletes providing information and inputs
  • Participation in the competitions Shortdistance 7.5km and Longdistance 18km

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Beach volleyball tournaments

For those who prefer to stay on the beach and engage in thrilling matches

  • The beach volleyball club Thun is organising a tournament on the event weekend

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Wasserball Match

Spannung pur bei den Matches des Wasserballklubs Thun

Erlebe spannenden Nationalliga-Wasserball hautnah und unterstütze die Teams beim nächsten Match. Komm vorbei, geniesse die Atmosphäre am See und feuere den WK Thun und SC Horgen gemeinsam mit uns an!

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