Sadue Isan or natural water resource is situated in Ban Khwao, Tambon Lao. With an area of approximately 2,700 rai covering many sub-districts, this tourist attraction is the centre or navel – Sadue – of the Northeastern Region. It was initiated and supported by the public and private sectors. To get there, follow the Maha Sarakham-Kosum Phisai route. It is 27 kilometres from the provincial city of Maha Sarakham.