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Straddling the transition zone between the Central Highlands and the South-Central Coast, Ea So Nature Reserve spans over 26,800 hectares across Ea Kar District, Dak Lak Province, bordered by both Gia Lai and Phu Yen. Join ExoTrails as we explore what makes Ea Sô worth the journey.
What makes Ea So worth visiting?
Established in 1999, Ea So Nature Reserve is one of the very few nature reserves in Vietnam and in all of Southeast Asia that holds year-round humid tropical grasslands: vast green meadows woven between dense forest, creating ideal habitat for large ungulates. Most notably, the gray gaur (Bos gaurus) is one of the rarest large mammals still alive on earth, and Ea So is one of the few places they genuinely still call home.
The ecosystem here is layered in ways no brochure can capture: evergreen closed-canopy forest, semi-deciduous forest, high tropical grasslands, and bamboo groves interlocked into an ecological mosaic that even researchers have yet to fully map.
The reserve has documented over 716 plant species across 141 families, and nearly 279 animal species, 69 of them threatened: red wolf, golden deer, large muntjac, serow, colugo… Ancient ironwood, red balau, and pterocarpus stand motionless under century-old canopies, as though they have no idea the world outside is in a hurry.
Places worth visiting in Ea So Nature Reserve
Bay Waterfall sits deep within the core zone of the reserve, nearly 30 m tall, close to 200 m wide, stretching almost 1 km from crest to base across three tiers of cascading water. It roars through jagged rock faces, mist hanging year-round. This is the kind of waterfall you hear before you see.
Krong H’Nang Reservoir sits at 240 m elevation, its surface stretching over 1,500 hectares right in the heart of the reserve. At dawn, the water lies completely still, mirroring the treeline on both banks, the kind of beautiful that needs no filter and no caption. Kayaking, fishing, or simply sitting still all three are valid choices.
ExoTrails currently has 3 campsite locations at Krong H’Nang Reservoir. Download the offline map before you head out mobile signal inside the forest is unreliable. Here are the three campsites with navigation links:
- Krong H’Nang Reservoir Campsite (Site 1): link.exotrails.com/Oh9RT8r5IWb
- Krong H’Nang Reservoir Campsite (Site 2): link.exotrails.com/0sYbz5r5IWb
- Krong H’Nang Reservoir Campsite (Site 3): link.exotrails.com/AccwSYr5IWb
Ranger Station 9 is a familiar rest stop for anyone who has gone deep into Ea So Nature Reserve. A stream runs year-round through an arrangement of rocks in every conceivable shape spend a night camping here, listening to the forest after dark, and you’ll understand why no nature sounds app comes close.
Cu Cuc Hill rises from open grassland, ideal for those who want to climb and look down across Ea So from an angle nobody planned.
Indigenous Culture at Ea So Nature Reserve
Ea So Nature Reserve is more than forest. Ea Kar District has been home for generations to the E De people, whose traditional longhouses are owned and governed by women a reflection of a matriarchal system still actively maintained today. If you pass through any of the villages on the reserve’s edge, pay attention: not everything worth noticing has a sign.
Read this before you enter the forest
Ea So Nature Reserve is strictly managed, divided into three zones: strict protection (15,959 ha), ecological restoration (9,816 ha), and administrative services (2,025 ha). To enter the core zone, you must contact the Management Board in advance for a permit and a guide. This isn’t bureaucratic red tape it’s the reason this forest still exists.
Before heading in, download the ExoTrails navigation app so you can move with confidence even when the trail gets remote and signal drops. ExoTrails works equally well for group trips and solo travel.
Best time to visit: dry season, November through April trails are passable, streams have water without flooding, and your chances of spotting gaur grazing on the grasslands are considerably higher. The wet season makes Bay Waterfall spectacular, but the road in becomes equally formidable.
What to bring: ankle-high leech-proof boots, long sleeves, a headlamp, insect repellent, and above all, enough patience not to rush. Ea So Nature Reserve doesn’t call out to you. It only opens up for those willing to go slowly.
Getting there
From Buon Ma Thuot, take National Route 26 toward Ea Kar approximately 70 km. Ea Kar Town is your base before entering the reserve. There is no public transport directly into the forest, a motorbike or 4WD pickup is your most practical option.
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