[1]: 5, 6 [3] Because Nakhon Kalong is located near the Sam Mo Pass [th] in the north and is linked to other settlements in the Pa Sak Basin in the central region and Chi-Mun Plain to the east through the Chi River, it has evolved into a trading hub between these regions.

[3] Five carved red stones standing Buddha images from the Dvaravati period were found on the site, most are in a damaged condition, leaving only the body.

Villagers have rebuilt the head and some parts of the body, except for the largest one, about 3 meters high, which is in perfect condition but not yet finished carving.

[3][5] The Sema building contains pieces of pillars, door frames, and other architectural components, indicating an Angkorian influence.

[3] Important evidence for the Rattanakosin period was the Ubosot or Sim (สิม) of Wat Khon Sawan temple, which dates from around the 19th century.