Collaborative efforts like the INBO & WMO Task Force on Satellite Monitoring and the One Water Vision Initiative, launched at the One Water Summit in Riyadh in December 2024, underscore the global commitment to leveraging these technologies for sustainable water management. By fostering data sharing and collaboration across borders and sectors, these initiatives highlight the transformative potential of combining in-situ and satellite monitoring. his special session will explore how a combination of in-situ and satellite monitoring can provide effective tools and services for basin managers and improve the resilience and sustainable management of water resources.