To support preliminary engineering and feasibility studies for rural water supply in Central Java conducted by the Indonesian Department of Health in Cooperation with the World Health Organisation (WHO) investigations were made by the Directorate of Environmental Geology (DEG) supported by the German Hydrogeological Advisory Group with respect to the availability and accessibility of groundwater.
Gunung Tangkuban parahu yang berada di daerah Jawa-Barat, yaitu di Kacamatan Lembang Kabupaten Subang terletak pada posisi geografis 6 derajat 45 Lintang Selatan dan 107 derajat36' Bujur Timur Mempunyai ketinggian 2084m di atas permukaan laut atau 1300m di atas dataran Bandung.