<![CDATA[Indonesia is well known for its cultural diversity, one expression of which is woven cloth found across many regions of the country, including Rongkong woven cloth from the mountainous areas of North Luwu Regency, South Sulawesi Province. This study aims to explore the ethnomathematics embedded in Rongkong woven cloth, particularly in the Ulu Karua motif. It employs a qualitative approach with an ethnographic design. The research participants were two members of the Rongkong community who are still actively engaged in weaving Rongkong cloth. Data were collected through literature review, observation, interviews, and documentation, and analyzed using data reduction, data display, and conclusion drawing. The findings show that the ethnomathematics found in the Ulu Karua motif of Rongkong woven cloth includes plane geometry concepts in the form of triangles and rhombuses, as well as transformation geometry concepts; reflection and translation, reflected in the process of composing the motif. These concepts are related to mathematics content taught at the junior and senior high school levels and meet the indicators of a mathematics learning, as they can be developed into contextual learning activities while introducing local cultural values to student]]>
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