Tham Mae Usu (Mae Usu Cave)
Located on the magnificent Mae Sot, Mae Sariang Highway No. 1085 at Km. 95-96, this Cave boasts an underworld of natural wonders. Inside the cave are striking stalactites and stalagmites formations. It is not advised to visit the cave during the rainy season as the only entrance for visitors is through Mae Usa stream at the entrance of the cave.