The graves are located in a group of tumuli on the eastern edge of the lower Biber valley at the foot of the Schienerberg. The first discovery of the graves was in 1836 by Ferdinand Keller. In 1846 and 1856 there were further excavations by Johann Conrad Fehrlin. Additional excavations happened in 1874-75 by the preacher Julius Müller, 1894 by Ferdinand Schalch. In 1912-13 there was an unauthorized dig by Joseph von Sury and Bertram Böschenstein, then in 1943 Walter Ulrich Guyan explored the entire site and further digs occurred in 1967 and 1978.