It was built in 1841. Originally, various ceremonies were built in the current Thammasat Monastery, which is on the salt water bank. Later, in the year 1946, it was moved to build on the present fresh water bank. received Wisungkhamsima on June 23, 1971. Inside the building of Phra Maha Chedi Rattana Mongkol, the 2nd floor has a glass viharn. The interior is filled with statues of many masters. In addition, in the middle of the room will find the Emerald Buddha. Light reflected from tens of thousands of pieces of glass