This presentation will explore how Sault Ste. Marie leveraged two decades of Geographic Information Systems (GIS) to craft and maintain its cutting-edge Digital Twin.  Exploring the innovative applications of Sault Ste. Marie’s GIS digital twin model, which offers real-time insights allowing for collaboration and more effective decision making, this presentation showcases the transformative potential of GIS enabled digital twins.  We will demonstrate how this comprehensive digital representation enables stakeholders to address issues before they arise, make informed decisions, and develop effective solutions through simulations. Join us as we delve into the transformative impact of our GIS-based digital twin solution, revealing its role in shaping a smarter, more resilient urban landscape for the City of Sault Ste. Marie.