evidence: Three Pagodas Pass - 4 Things to Know Before Visiting About Three Pagodas Pass Three Pagodas Pass is on the Thai-Myanmar border but accessible to foreigners only from the Thai side. It is located between Sangkhlaburi in Thailand and Payathonzu in Myanmar. It s was for centuries along the main land route between India and South East Asia. The strategic location was last exploited by the Japanese during World War II, who used POW labor to build the infamous Death Railway to ferry supplies across.Address : Three Pagodas Pass, Nong Lu, Myanmar (Burma)