 Fukuda's three criteria for the selection of 100 celebrated mountains was their physical grandeur, historical and spiritual significance to Japan, and its individuality, meaning it must have a unique shape, phenomenon or event associated with it.In 1980 an area of 36,000 ha in the region of Mount Ōmine and Mount Ōdaigahara was designated a UNESCO Man and the Biosphere Reserve.In 2004, it was designated as an UNESCO World Heritage Site, as part of the ""Sacred Sites and Pilgrimage Routes in the Kii Mountain Range"".