One of the World’s Most Pristine Ancient Rainforests Lies in Khao Sok
One of the World’s Most Pristine Ancient Rainforests Lies in Khao Sok
When people think of Khao Sok National Park, most will picture Cheow Lan Lake—often called “Guilin of Thailand”—with its emerald-green waters and striking limestone cliffs. Yet, what truly sets Khao Sok apart is its ancient rainforest, acclaimed as one of the most biodiverse and pristine rainforests on Earth.
Khao Sok’s rainforest is estimated to be over 160 million years old, making it even older than the Amazon. It remains a thriving ecosystem filled with rare wildlife, endemic plant species, and untouched natural beauty.
1. Khao Sok: Home of an Ancient Rainforest
- Location: Khao Sok National Park is in Surat Thani Province, covering more than 739 square kilometers.
- Age: Scientists estimate the forest to be around 160 million years old, ranking it among the oldest rainforests in the world.
- Landscape: The park features towering limestone mountains, sheer cliffs, waterfalls, streams, and countless caves.
👉 This is why Khao Sok is often referred to as the “Ancient Rainforest of the Andaman.”
2. Biodiversity
🌳 Flora
- Rafflesia kerrii (Bua Phut): The world’s largest parasitic flower, with a diameter of 70–80 cm, blooming only during the rainy season.
- Abundant palms, ferns, and wild orchids.
- Towering trees forming dense canopies, creating a humid microclimate that sustains the forest.
🦧 Fauna
- Mammals such as Asian elephants, gaurs, serows, muntjacs, and sambar deer.
- Rare species including dusky leaf monkeys and gibbons.
- Over 300 bird species, including hornbills and eagles.
- Reptiles and amphibians like pit vipers and numerous frog species.
👉 Khao Sok is often described as a “living natural museum.”
3. Environmental Significance
- Water reservoir: Multiple rivers originate in Khao Sok, making it vital for agriculture and communities in Surat Thani.
- Climate regulation: The forest absorbs carbon dioxide and produces vast amounts of oxygen.
- Community resource: Locals still use medicinal plants and other natural resources from the forest.
4. Activities to Experience the Ancient Rainforest
- Jungle trekking – Trails range from short hikes to multi-day expeditions.
- Rafting on Klong Sok River – Thrill seekers can enjoy rafting through lush forest landscapes.
- Kayaking or canoeing – Paddle beneath towering limestone cliffs while spotting wildlife.
- Night safari – Observe nocturnal animals rarely seen during the day.
- Overnight stay at Cheow Lan Lake rafts – Wake up to the tranquil beauty of the ancient jungle.
5. Importance for Eco-Tourism
Khao Sok is a model for successful eco-tourism, allowing visitors to relax while learning about conservation.
- Visitor numbers are limited in certain zones to protect ecosystems.
- Activities encouraged are low-impact, such as trekking, birdwatching, and kayaking.
- Local communities directly benefit from eco-tourism, encouraging conservation and sustainable livelihoods.
6. Why You Should Visit Khao Sok at Least Once in Your Lifetime
- Witness a 160-million-year-old rainforest.
- See rare plants and wildlife in their natural habitat.
- Learn the importance of environmental conservation.
- Enjoy a mix of adventure and relaxation activities.
- Gain a refreshing, empowering experience from untouched nature.
Conclusion
Khao Sok is not just a tourist destination—it is a natural treasure of the world. This 160-million-year-old rainforest is among the oldest and most biodiverse on Earth, filled with rare plants, exotic wildlife, and invaluable ecological functions. It also serves as a reminder of how humans must coexist with nature.
👉 If you ever have the chance, visit Khao Sok at least once in your lifetime to feel the power of pure nature and contribute to preserving this invaluable global heritage.