The spring of the Adelholzener mineral water mineral water is located in the Bavarian Alps in southern Germany. As it permeates through the alpine rock the water is not only purified but also enriched with valuable minerals. The springs are located at the foot of the Hochfelln mountain in the nature reserve Bergener Moos, which is a protected habitat for flora and fauna. Here the Adelholzener mineral water is protected at a depth of 140 metres by a layer of natural clay, which is impervious to water and 40 metres thick.