Air Terjun Nokan Nayan, 180-meter waterfall in Ambalau District, Sintang, Indonesia.
Air Terjun Nokan Nayan is a 180-meter waterfall system near Ambalau fed by two distinct rivers. The water descends in multiple cascading tiers through thick tropical forest, forming a dramatic landscape feature in the region.
The waterfall formed through geological processes that shaped the limestone cliffs of West Kalimantan over millions of years. These natural forces created the steep terrain down which water now flows.
Local indigenous communities maintain traditional ceremonies at the waterfall site, considering it a connection point between natural and spiritual realms.
Visitors should prepare for difficult terrain and wet conditions, as the area remains natural and slippery underfoot. Arranging a local guide and checking with village authorities before arriving is strongly advised.
The two water sources originate from different areas and carry distinct mineral compositions, causing the water to display varying colors at different points along the cascade. This natural phenomenon results from the geological differences between the two river basins.
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