Enterprises managing multi-cloud environments face significant challenges in achieving comprehensive observability across diverse infrastructures. This talk highlights the essential role of standardized, vendor-agnostic approaches in ensuring scalability and usability in modern monitoring practices. We'll explore the complexities of observability, focusing on the need for consistent management of metrics and logs across multiple cloud providers. A detailed case study will demonstrate how open-source tools like OpenTelemetry can unify data collection without vendor lock-in. Attendees will gain actionable insights to enhance visibility and operational resilience in their multi-cloud deployments.