This fort was built in the 13th century in the middle of the town of Al Mintrib in the State of Bidiyah, to protect the entire population from enemy attacks. Fort " Al Mintrib " has a great tourist interest, where it was in the early seventh century AH and it was restored during the reign of Imam Azzan bin Qais al-Busaidi, and the government has been restored and opened it as a heritage landmark in 1991, this fortress became one of the important tourist attractions in the Sultanate, as the headquarters of the judge and the governor before and after the blessed renaissance, it consists of the ground and two upper floors, where the ground floor includes a main gate, which is surrounded by two large doors, the building of the rooms and corridors in tow floors built by uses the style of the beehive, which is considered a unique example of building the fortress.
The building was built by using natural raw materials, and the ground floor contains consultation rooms, multi-purpose rooms, a mosque and a water well, which is located on the middle of the ground floor. The fort includes private rooms for the governor and his family, rooms, stores and other rooms of the military colonel, ammunition stores and other uses, While the upper floor contains a long Lioan (narrow corridor) used in ancient times as a school to teach the Holy Quran, religious sciences and Arabic language, as well as the special places for residents , the ventilation holes overlooking on the town of Al Muntrab, which is a vital source of air entering the square during the evening and there are many balconies overlooking the town of Al Mintrib.
The second floor opens to a beautiful outer space to enable the visitors for looking on the four sides. The fort is equipped with many heritage and symbols of the original heritage that the visitors cab recognize them when visiting the state. The stronghold of Al Mintrib is overlooking on a fertile oasis of palm trees on the edge of the sands of the Eastern, which rpresents a home to large numbers of nomads who gather in the mantereb and other oasis cities during the period from June to September each year during the harvest season, and the area of the fortress is 900 m.