Qal’at Fassu’a is a modest but historically significant Ottoman-era fort located in southern Jordan, built as part of a network of Hajj forts along the Darb al-Hajj—the ancient pilgrimage route leading from the Levant to Mecca. Constructed in the 16th or 17th century, the fort served as a resting and protection point for Hajj caravans travelling through the harsh desert terrain.

Built with local stone, Qal’at Fassu’a features simple rectangular architecture, defensive walls, and internal rooms likely used for storage and shelter. While not as large or elaborate as other forts, its strategic location highlights the Ottoman Empire’s commitment to safeguarding pilgrims and maintaining order across vast distances.