Gudeg manggar is known to be one of the traditional foods of interest in Bantul Regency. Gudeg manggar is also known to be unique due to its rarity, making it a culinary with a higher value than other culinary delights. This research aims to find causes of the scarcity of gudeg manggar as a culinary tourism supply. This research used a qualitative method with semi-structured interviews with three gudeg manggar producers. The results show that the scarcity of gudeg manggar as a culinary tourism supply in Bantul Regency occurs due to several factors. Natural factors are often used in answering the availability of ingredients. However, it is not the only cause; cultural factors in the community cause raw materials to become scarce and more valuable. This research can be a consideration in determining how gudeg manggar is marketed as culinary tourism in Bantul Regency.