Sub Hew Waterfall, Khao Yai

Deep within Khao Yai’s dense jungle, Sub Hew Waterfall rewards adventurous hikers with a spectacular multi-tiered cascade that plunges through limestone cliffs. This powerful waterfall stands out among the region’s many water features for its impressive height and the crystal-clear pools it creates at each level. Unlike the more accessible waterfalls in the area, Sub Hew requires genuine effort to reach, ensuring you’ll likely have this natural wonder mostly to yourself.

The waterfall crashes down in several distinct tiers, creating a series of emerald pools perfect for swimming and cooling off after the challenging hike. During peak flow season, the thunderous roar of water echoes through the surrounding forest, while mist rises from the impact zones below. The jungle around Sub Hew teems with wildlife – listen for hornbill calls overhead and watch for colorful butterflies dancing around the spray zones. Rocky ledges provide excellent vantage points for photography, and the natural pools offer refreshing swimming spots with surprisingly clear visibility. The forest canopy filters sunlight into dancing patterns across the water surface, creating an almost ethereal lighting effect throughout the day.

Standing before Sub Hew feels like discovering your own private jungle sanctuary. The combination of powerful cascading water, pristine swimming holes, and untouched forest creates an atmosphere of pure wilderness adventure. Each pool offers a different experience – some shallow and warming in the sun, others deep and cool in the shade. The relative isolation means you can truly disconnect and immerse yourself in the raw beauty of Thailand’s natural landscapes.

Visit during or shortly after the rainy season (June through November) when water flow reaches its peak intensity and the pools are at their deepest. The hike takes approximately 45 minutes through sometimes steep and slippery terrain, so bring sturdy hiking shoes, plenty of water, and insect repellent. Swimming attire is recommended, and a waterproof bag protects electronics from the inevitable spray. This challenging but rewarding adventure perfectly complements a broader exploration of Khao Yai’s natural wonders.