Get off MRT at Lumphini Station (Exit 2 – South Sathorn Road). Then walk towards South Sathorn Road for 650 meters (8 minutes). Thai Wah Tower 1 will be on your left hand side, in front of Banyan Tree Hotel.
Via BTS
Get off BTS at Saladaeng Station (Exit 4). Then turn right to Saladaeng Road and walk towards North Sathorn Road until you see Tisco Bank. Turn left to cross the street, and Thai Wah Tower 1 will be on your left hand side, in front of Banyan Tree Hotel.