Qasr in Kabaw is an ancient fortress located in the western part of Libya, in the Nalut District. The fortress was built during the 12th century, when the area was controlled by the Almohad dynasty. It is believed that the fortress was built as a military outpost to protect the nearby trade routes.

Qasr in Kabaw is constructed of mud and rock, and features a number of towers and ramparts. The fortress is situated on a hill overlooking the surrounding area, providing excellent views of the landscape. The interior of the fortress includes a number of rooms and courtyards, as well as a mosque and a well.

The fortress was abandoned in the 15th century, and fell into a state of disrepair. However, in recent years, efforts have been made to restore the fortress and preserve it as a cultural heritage site. Today, visitors can explore the fortress and learn about its history and significance to the region.