The Glaciar Grey forms part of the campo de hielo sur, which is the biggest non-polar glaciar in the world. The campo de hielo sur is situated in the patagonian andes in Chile and Argentina and has an extension of 16.800 km2.
This foto was taken in the Torres del Paine national park, near the refugio de grey. in the foreground you can see the lake Grey. The locals say that the glaciar has melted a bit and a few decades ago extended futher away to the lake.