Shamsan Castle is one of the oldest monuments in the city of Abha and is located in the city of Abha in southern Saudi Arabia on a mountain of medium height and is a mountain village built by the bright "tribes of the brightest men" of hard stones, dating back to the third millennium BC.

The castle consists of surface pickers, which is a set of stone granite tools of different sizes and shapes.The industry is characterized by perfection and accuracy.Also found in the castle of Shamsan large rjum and a number of different buildings decorated with foundations of stone slabs and still exist until now.

Also found in the castle a group of pottery fractures characterized by a red lining dating back to the first millennium BC.

Shamsan Castle is about 90 meters high and is a large rectangular building consisting of a main entrance and three towers on the west side overlooking the city four meters wide.

Inside there is a rectangular courtyard where all the facilities and rooms open, and the walls of the castle are still standing.

At the beginning of its construction, Shamsan Castle was subjected to many fears due to its negligence and was threatened with demise until one of those interested in the castle, the General Authority for National Heritage and Tourism, demanded the need to stand on this neglect and tamper with the castle and start taking care of it.

He also stressed the importance of the development of this castle because it is an ancient castle with an important place dating back to the third millennium BC in addition to its use in the history of the Kingdom as a military barrack for several periods and also anti-air defense, and also because the people of Asir closely linked to the castle of Shamsan, which overlooks Abha From the northeast

The castle has large main doors closed with windows overlooking the city in addition to the old toilets, which were completely demolished and surrounded by the castle renovations reached the walls and there is inside the castle Shamsan rectangular courtyard open to all rooms and facilities.

There is also a painting hanging on the building of the castle from the outside, and this painting has a great historical place;

The castle has many advantages that attracted the attention of many of them, the Turkish governor, "Muhyiddin Pasha," who took the Qala military fortress until the Turks leave the difficult region; therefore, it has become an important military position; and used to close the road to any attack on the city from the north.

After Muhyiddin Basha left the castle, it was destroyed and some of its parts were destroyed in 1933. It was then developed by the Saudi forces, which worked to build it again. .

The castle had an important religious place where it was fired from Ramadan cannons and is a source of safety and protection for the people, and was a place
A tour of the fortress was ordered by the Tourism Authority to renovate and rehabilitate the castle and was assigned to a national institution.

This period lasted from 6-7 years and then abandoned again to the present time.