Bārbele Sulphur Spring is an ancient worship site, which is also described in legends. According to written sources, it was one of the most impressive mineral water springs in Latvia. Coming to the spring for treatment people left their clothes on site, since they believed that in this way, they will get rid of all their diseases, pain and suffering. Bārbele might be among the oldest spas in Latvia, known since the reign of Duke Jacob of Courland. The history of Bārbele’s ancient existence suggests that ancient Semigallians were also treated here and used this spring as a source of health improvement.