Abstract-Learning science utilizes potential diversity of wetlands in South Kalimantan as students learning source.It will be an intermediary for students to learn about themselves and the contextual nature or closely related to everyday life. Decentralization of education brought the Indonesian education toward the development according to the potential of each area, so it needs an effort of educators to explore the diversity of wetlands to be integrated in the process of learning science as a learning source. This is a qualitative research,and the data collection wasconducted through observation and literaturereview. This research was conducted in several areas of Barito Kuala and Banjarmasin in South Kalimantan province. This study covered the area of the river, swamp forests, agricultural land, flora and fauna. The observed variables comprised the characteristics, benefits and categorizing objects including river wetlands, farmland and swamp forests, as well as the diversity of flora and fauna. The data were analyzed by describing, outlining and categorizing the diversity of wetlands that can be considered and integrated in the learning process as learning source.