Thailand and Myanmar share the long border of 2,400 kilometres approximately on the north and west of the country. The border stretches from the Golden Triangle to Kaw Thaung in the south. There are 10 Thai provinces that share the border with Myanmar. At present there are three major official border crossing points from north to south, they are : Mae Sai - Thachiliek, Mae Sot - Myawaddy, and Ranong - Kaw Thaung. In addition, there are many other smaller and unofficial border crossings in many places.