fortress

Terrain

General Condition

Current Fort Located behind Khlong San District Office, Ladya Road, near ICONSIAM. has been restored used as a source of historical learning and recreational areas

Height above mean sea level

Waterway

Chao Phraya River

Geological conditions

Holocene sediments

Archaeological Era

era/culture

Types of archaeological sites

archaeological essence

Fort Pong Pachamit is currently located in the area of ​​the Marine Department's residence near the Khlong San District Office. It is one of the important fortresses of Rattanakosin built during the reign of King Rama V. 4 Along with digging the Phadung Krung Kasem Canal It is located opposite the Chao Phraya River with a fortress closed at the mouth of the Phadung Krung Kasem canal. It was the only fortress built in the western part of the city at that time.

Later, the Fort Pacchamit changed its duty from the fort that guarded the city to become the location of the signal flagpole of the Marine Department. For raising the flag to inform the news of warships and merchant ships entering and exiting the Chao Phraya River, in the reign of King Chulalongkorn, the fort was used as the location of the flagpole to signal the news of any company entering and leaving Bangkok at the mouth of Khlong San in the period His Majesty King Mongkut of Thailand has moved the iron flagpole from the dictatorship fort in the Grand Palace to be located at this fort. (Siam Flag Museum 2021)

In 1949 the fort was in a very dilapidated condition. And the Marine Department stopped using this signal flagpole, Thonburi Municipality dismantled the fort and brought bricks to fill in the Thonburi area, but the Fine Arts Department suspended and announced the registration of ancient monuments in 1949. However, since 1960, the way The government has divided the area to various government agencies such as Khlong San Police Station, Communicable Disease Hospital and Thonburi Municipality, etc. At present, only 1 in 4 traces of Pompong Patjamit are still visible in the area behind the Khlong San District Office.

2007 The Khlong San District Office has undertaken the construction of a new office building. During the excavation to prepare for construction, many logs were found. The Khlong San District Office stopped operations and
Provide an archaeological study

From archaeological excavations at the back of the Khlong San District Office, they found the foundations made of masonry, spun bricks arranged in a longitudinal line and intersecting in a grid line, with each brick overlapping with a depth from the current soil surface to the lowest brick. 2 meters, the brick line has a width of 108 meters. Under the brick line, there are planks and logs supported on the bottom side of the brick line. There are pointed logs embedded vertically to prevent the soil from moving sideways. Around the area there will be wood. Vertical logs To strengthen the surrounding soil at a depth of about 2 meters or below the level of the brick line, a large number of rotted wood and half-cut coconut shells were found throughout the foundations of this fort protection found. It is a continuation of the remaining fortress of Patjamit (Kannikar Suthiratanairom 2019)