Sangkulirang – Mangkalihat Karts: Prehistoric rock art area

Welcome to the frontier of deep time. We are currently situated in Kampung Merabu, a remote and culturally vibrant village within the Kelai sub-district of Berau Regency. …

To access the deeper recesses of the karst formations, we must first negotiate the river arteries that carve through the jungle. We embark on a 'ketinting', a long, narrow wooden canoe powered by a distinctive, outboard motor. …

Disembarking from the ketinting, we plunge directly into the primary rainforest that blankets the lower elevations of the karst landscape. This is not a leisurely stroll; the trek is an immediate, grueling physical challenge. …

We have reached one of the most archaeologically significant sites in Southeast Asia: Gua Bloyot. As we step into the cavernous mouth of the cave, the temperature drops significantly, and the oppressive humidity of the jungle is…

Leaving the quiet sanctity of Gua Bloyot, we face the most physically demanding segment of our expedition: the final ascent to Puncak Ketepu. This is where the karst terrain reveals its most brutal and unforgiving geometry. …

We have conquered the ascent and arrived at the summit of Puncak Ketepu. As you stand upon this jagged limestone pinnacle, catching your breath, let your eyes sweep across the horizon. …

After the punishing descent, where gravity turns every sharp rock into a potential hazard and the legs tremble with fatigue, we arrive at our final destination: Danau Nyadeng. Emerging from the dense, sweating jungle into this…

As our expedition concludes and we make our way back to the quiet rhythms of Kampung Merabu, it is essential to contextualize what we have witnessed. The Sangkulirang-Mangkalihat Karst is not merely a scenic backdrop; it is a…