If you got this file from a specific source (like a modding site or a shared drive), I can give you more exact details if you provide the or the file size .
: Use a tool like 7-Zip (Windows) or Keka (Mac). GrandCanyon.7z
The archive typically refers to a high-resolution terrain and scenery pack used for flight simulators like X-Plane or Microsoft Flight Simulator . If you got this file from a specific
: High-detail elevation maps (often HD Mesh v4 or similar) that replace the default, flat terrain of the Grand Canyon with realistic ridges and cliffs. GrandCanyon.7z