Fallen Giant's Fortress

Publisher's blurb:

Built into an alpine gorge, this mountain fortress is defended by murder holes and sharpened stakes—promising death to those foolish enough to attempt to breach the walls.

Reinforced gates bar both entrances to a ground-floor court,

and stairs lead upwards to a second-story rampart, stocked with supplies. High towers lead to simple, yet comfortable, chambers for a handful of people.

Four towers overlook the rest of the gorge, on the third floor. In one of them is a table piled high with gold coins, and dispersed within the other chambers are desks with papers, and beds.