BTS Siam is a transit point in Pathum Wan, Bangkok, useful for getting around the city. It's known for operates 2 lines, approximately 68.5 km in length, sukhumvit line: 54.25 km with 47 stations, silom line: 14 km with 14 stations. If you're considering living nearby, the Pathum Wan area guide covers transport, schools, healthcare, pricing and the best condo towers within reach.