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
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


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.
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
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
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
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!
Gold Partner
Silver Partner
Bronze Partner
Partner








