This cache is NOT at the posted coordinates
The Wall is a colossal fortification of solid ice, stone, and earth that stretches for 300 miles (100 leagues) along the northern border of the Seven Kingdoms. Standing over 700 feet tall, it separates the realm from the "wild" lands beyond, primarily serving as a defense against White Walkers and wildlings.
Answer this question below for the final coordinates
What is the name of the Night’s Watch castle located at the far eastern end of the Wall, where the Wall meets the Shivering Sea?