Water is not only used for basic life needs such as drinking, bathing, cooking, and washing but also for irrigation and other needs, as it is a source of life. In Javanese society, there are many myths related to water, one of which is the myth of Tuk Bima Lukar, the spring source of the Serayu River. This oral literature myth can be analyzed to gain a deeper interpretation of its contents. Therefore, a multidisciplinary literary approach is needed for a more in-depth discussion. This research employs a hydromythological literary approach. The research reveals that Tuk Bima Lukar is considered holy water, believed to bring eternal youth and blessings to those who use it. Beyond the belief that the water from Tuk Bima Lukar can keep one young, it is also believed to bring its own blessings. This aligns with the concept of hydromythology, which assumes that water is a source of life, implying that the water from Tuk Bima Lukar brings blessings because it provides a source of life to the creatures around it.