The path towards the Dos Cuernos (Two Horns) that join with Las Torres (the towers) in Torres del Paine national park in Chile.
Walking across a gravel peninsula from the glacier boat debarcation point, you can take in the full scale of Patagonia, and Grey Lake after having just seen Grey Glacier which occupies 100 square miles and is at least 100ft thick.
The Perito Moreno glacier in Argentina is one of 48 glaciers in the area. Combined the glacial area is the 3rd largest body of freshwater in the world.