The International Commission on Large Dams (ICOLD) invites dam, levee, hydraulic structures, and water infrastructure professionals, engineers, planning, researchers, policymakers, and industry experts to submit abstracts for its 2026 International Symposium in Guadalajara, Mexico. The International Symposium is scheduled to be held on May 26,27 and May 28, 2026, as part of the ICOLD Annual Meeting. We anticipate 1,000–1,500 attendees from 70–80 countries, offering an unparalleled opportunity to exchange ideas, showcase innovations, and advance the safe and sustainable future of dams.