Located near Phra Buddha Nawalanthue in the Golden Triangle, the Opium House Museum showcases the history of opium's arrival in this region. It narrates the lifestyle of the hill tribe people through a detailed chart that outlines their 12-month life cycle, along with insights into the cultivation of narcotic plants and the drug trafficking processes in the Golden Triangle. Focusing on local heritage, the museum features an array of tools and equipment such as opium knives, scales, and the smallest pure gold weight in the world. It welcomes visitors daily from 7:00 AM to 7:00 PM, with an entrance fee of 50 baht per person. For more information, you can call 0 5378 4060 or send a fax to 0 5378 4062, or visit their website at www.houseofopium.com.