Welcome to Sour Lake, a charming town in Texas founded in 1901 that boasts a population of around 5,609 residents. This historic town is known for its ties to the oil industry, being the site of the first commercial oil discovery in Texas back in 1901. Sour Lake is also famous for its natural sulphur springs, believed to have healing properties. As a bonus, Sour Lake has sister city relationships with Kapuvar, Hungary and Gouyave, Grenada, adding to its international charm.