Established in 1980, Siam Amazing Park has been a popular amusement park in Thailand for locals and tourists alike for many years. Spanning an area close to 120 acres, you are in for an entire day of fun at Thailand's largest theme park and the Guinness World Record holder of the largest wave pool in the world. Whether you are a fan of water slides or thrill rides, Siam Park City will be a definite hit no matter your age!