The liquefaction concerns of the foundation ground in urban zones of Chiang Rai arises from a prior instance of liquefaction occurring in remote northern Thailand in 2011. Most areas are underlain by clayey sand deposits from paleochannels, which are highly susceptible to liquefaction. Therefore, this study aims to raise awareness regarding the risk of liquefaction in densely populated areas of Chiang Rai. To evaluate the likelihood of liquefaction, this research conducted Standard Penetration Tests on newly-installed boreholes and assessed the liquefaction potential through a simplified proce Authors: Pakawadee ,,Anussornrajkit;Weeradetch,,Tanapalungkorn;Suched,,Likitlersuang. Presented at TSER2023.