Italy built a chain of forts across the Fezzan in the 1930s as it extended military control over the deep south of its Libyan colony. The fort at Al Qatrun marks the southern extreme of that effort — beyond here the desert became too empty and the distances too vast for conventional garrison administration to function. The Italians held Al Qatrun, watched the trade routes, and went no further south in any organised sense.
The fort is built in the compact, functional style typical of Italian desert outposts: thick walls, corner towers with firing positions, and a layout designed for a small garrison to defend against a larger external force. Given its age and the isolation of its location, it is remarkably well-preserved. In earlier decades, before Libya's security situation deteriorated, desert travellers used it as a camping ground — sleeping within the walls offered shelter from the wind and a certain amount of shade. Whether it remains accessible and in what condition depends on current conditions on the ground, which change faster than any guide can track.