Tri An Lake – The Beating Heart of Southern Vietnam’s Water Supply
- Hieu Ngan Le Tran
- 25 minutes ago
- 2 min read
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Just a few hours’ drive from Ho Chi Minh City, Tri An Lake is a familiar name to many in the South. But few realize that this quiet, expansive body of water is a “giant water source” silently sustaining millions of people daily. In the midst of conversations around climate change, drought, or clean water scarcity, Tri An flows steadily, an essential lifeline that never makes a fuss.

More than just a lake – it’s a living ecosystem.
Tri An Lake was created back in the 1980s, when the Tri An Hydropower Plant began construction on the Dong Nai River. Initially, the goal was electricity. But over time, the lake’s role grew far beyond energy production. Today, water from Tri An supplies up to 70% of daily living and industrial needs in Ho Chi Minh City, Dong Nai, and Ba Ria – Vung Tau.
Stretching across multiple districts in Dong Nai province – from Vinh Cuu to Dinh Quan – the lake fans out like a giant blue blanket, nurturing life below. Dotted across its surface are tiny islets, each with its own quiet charm, painting a poetic, serene picture of a lake that’s as rich in biodiversity as it is in beauty.

Water isn’t just for use – it’s a way of life.
We often think of water as a “resource,” but for communities living around Tri An, it’s part of the rhythm of daily life – tied to every crop, every season. During the dry season, releasing water downstream from Tri An is the key to keeping water treatment plants running smoothly, ensuring that every household has access to clean, steady-flowing tap water.
What’s remarkable is that despite playing such a vital role, Tri An Lake has remained largely untouched by mass tourism. Local authorities have taken a clear stance: development must go hand in hand with conservation. If the lake runs dry or becomes polluted, it’s not just the scenery that disappears – it’s the livelihoods of entire communities that are at stake.

When nature is both livelihood and retreat
Upstream, where nature still holds its calm and quiet charm, lies Nomia Garden Retreats – a hideaway in the lush forests of Dinh Quan, just a stone’s throw from Tri An Lake. Thanks to the pristine water source and well-preserved ecosystem, Nomia has become an ideal getaway for anyone seeking peace and a deeper connection to the natural world.
Imagine a morning stroll to the sound of birdsong, sunlight sparkling on the lake’s surface, or simply sipping a cup of tea by the window overlooking a green hillside – these are the soul-refreshing moments waiting for you at Nomia.
Preserving Tri An Lake is, in a way, preserving the very breath of Southeast Vietnam, where every ripple and every breeze plays a part in sustaining life. At Nomia, we choose to slow down, live greener, and move with the natural flow of life, every single day.

Reference: This article draws from “Ngắm hồ lớn nhất miền Nam, cung cấp 70% nước sinh hoạt vùng Đông Nam Bộ” – Dân trí, published on April 24, 2025.