About Mangku Sakti Waterfall
Mangku Sakti Waterfall is a sulfur waterfall located in Sajang Village, Sembalun District, East Lombok Regency, West Nusa Tenggara, Indonesia, on the slopes of Mount Rinjani. It is notable for its milky turquoise water and white-yellowish sulfur-coated rocks formed by mineral deposits. Fed by springs from Rinjani, the waterfall flows into the Kokok Putih River. Access requires a guided trek through forest and river crossings, making it a distinctive natural attraction in the Sembalun area.
Visitors guide
Visitors can expect a trek of about 1 to 1.5 hours from Sajang Village through forest trails and shallow river crossings to reach a wide cascade flowing over white sulfur deposits into a milky turquoise pool on the Kokok Putih River. The surroundings are forested with volcanic rock formations and strong sulfur odor. There are no large built structures; the site is natural and requires a local guide. Visitors can view the waterfall, wade in shallow pools, and photograph the mineral-colored cliffs.
Key highlights
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Milky turquoise water colored by natural sulfur content from Mount Rinjani springs
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White and yellowish sulfur-coated rock formations surrounding the cascade
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Scenic trek through forest and Kokok Putih River crossings to reach the falls
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Natural pools at the base of the waterfall for wading and photography