the site was discovered in the early 19th century by prospectors searching for tin deposits. between 1863 and 1868, the antiquarian william copeland borlase examined the archaeological site and exposed the fogou. the graphic artist john thomas blight made corresponding engravings for the excavation report. during the 1920s, dr. favell and canon taylor discovered the foundation walls of the houses with courtyards. between 1964 and 1972, extensive excavations were carried out, in which nine hut foundations were discovered. the fogou and the circular chamber were investigated and restored. four main occupation phases between the 5th century bc and the 4th century ad were found.