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Cheow Lan Lake

KHAO SOK NATIONAL PARK

Travel to Cheow Lan Lake:
An Unforgettable Journey into Nature

Cheow Lan Lake, also known as Ratchaprapha Dam, is one of Thailand’s hidden gems, nestled within the stunning Khao Sok National Park in Surat Thani Province. This tranquil lake is renowned for its emerald-green waters, towering limestone cliffs, and rich biodiversity. A visit to Cheow Lan Lake offers an immersive experience into Thailand’s pristine wilderness, making it an ideal destination for nature lovers, adventure seekers, and those looking for a peaceful retreat.

Get to Know Cheow Lan Lake

Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park

Cheow Lan Lake, also known as Ratchaprapha Dam, covers a total area of approximately 185,000 rai (or around 297 square kilometers), combining both water and surrounding forest areas.

Forest area:
110,000 rai

Specifications:

Water area: 
75,000 rai

Forest Areas:

Surrounding the vast water expanse

is a lush tropical rainforest, part of the greater

Khao Sok National Park, one of the oldest rainforests

in the world, dating back over 160 million years.

The forest provides a natural habitat for wildlife and offers visitors opportunities for trekking, wildlife spotting, and birdwatching. Towering limestone cliffs, waterfalls, and caves enhance the area’s natural beauty, making it a paradise for adventure seekers and nature lovers.

Water  Areas:

Cheow Lan Lake's emerald-green waters, surrounded by towering limestone mountains and small islands, reach depths of 30-50 meters. The lake supports diverse aquatic life, and its stunning scenery, with crystal-clear waters reflecting the mountains, attracts visitors worldwide.

How to Get to Cheow Lan Lake

Cheow Lan Lake is accessible by several modes of transport, depending on your starting point:

Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park
  • By Air: The nearest airports are Surat Thani Airport and Phuket International Airport. From Surat Thani Airport, the drive to the Ratchaprapha Pier (Cheow Lan Lake Pier) takes about 1.5 hours. From Phuket, it takes around 2.5 to 3 hours by car.
     

  • By Train: Surat Thani Train Station is the nearest rail connection. Once you arrive, a taxi or pre-arranged transfer can take you to the pier, approximately a 1-hour drive away.
     

  • By Road: For those traveling from Phuket, Krabi, Khao Lak, or Koh Samui, driving or taking a shuttle is a popular option. Several transportation services offer transfers to Ratchaprapha Pier, where boats depart to explore the lake.

Private Boat Transfer Service
from Ratchaprapha Municipal Pier to 
Floating Resorts on Cheow Lan Lake

Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park

The Journey on the Lake

The breathtaking scenery and tranquility of nature will leave you with an unforgettable impression.

Once you arrive at Ratchaprapha Pier, the adventure truly begins. Longtail boats and guided tours are available to take you across the stunning lake, where you can admire the towering limestone formations that rise dramatically from the water. Popular stops include iconic spots like the Khao Sam Kler (Three Friends Mountain), as well as hidden lagoons, caves, and rainforest trekking routes.

What to Expect at Cheow Lan Lake

Cheow Lan Lake offers a range of activities for all types of travelers:

Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park

Boat Tours:

Take a longtail boat tour to explore the hidden corners of the lake, stopping at secluded coves, islands, and scenic viewpoints.
 

Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park
Cheow Lan Lake Tours & Floating Resorts | Explore Wildlife & Adventure in Khao Sok National Park

Kayaking:

Paddle through calm waters while surrounded by lush rainforests and towering limestone cliffs.

Wildlife Spotting:

Cheow Lan Lake is home to diverse wildlife, including hornbills, gibbons, elephants, and more. A boat tour or guided trek is the best way to experience this natural wonder.

The Best Khao Sok Floating Bungalows
On Cheow Lan Lake

​Floating Resorts: For a unique overnight experience, stay at one of the lake’s floating resorts. These eco-friendly accommodations offer spectacular views, a peaceful atmosphere, and easy access to the lake’s attractions.

Laguna Chiew Larn
Khao Sok Travel, Khao Sok Tourism

Panvaree

Resort

Panvaree The Greenery
Prai Wan Rafthouse
PhuPha Waree Resort
Klong  Ka Raft House
Keeree Warin
Phutawan Raft House
Khaosok Eco Raft
Saichil Floating Resort

Activities and tours
on the Cheow Lan Lake

There are a number of activities on and around the Cheow Lan Lake, you can visit caves, climb a waterfall or hike to a lookout point. Some activities are seasonal and depend on the weather in Khao Sok.  Also the location of the floating house where you are staying often has an influence on the activity you are going to do.

The symbol of Cheow Lan Lake (Khao Sam Kler)

Khao Sok Lake

Cheow Lan Lake and Khao Sam Kler: The Splendor of Nature in Khao Sok

Cheow Lan Lake, located within Khao Sok National Park in Surat Thani, is a serene and breathtaking destination. The stunning limestone mountains surrounding the emerald-green waters create a peaceful atmosphere, offering visitors an unforgettable experience. Among the many attractions, "Khao Sam Kler" (Three Friends Mountain) stands out as the lake's most iconic landmark.

The Formation and Characteristics of Khao Sam Kler

Khao Sam Kler consists of three limestone peaks standing side by side in the middle of the lake. These majestic formations were created over millions of years through natural geological processes. Rain and wind eroded the limestone, giving the mountains their distinct and striking shapes. The emerald waters of the lake beautifully reflect the limestone peaks, enhancing their grandeur and vibrancy.

The elegance of Khao Sam Kler draws tourists from all over to admire this natural masterpiece. The unique shape of the three peaks makes it a popular spot for photography, and visitors are enchanted by the peaceful yet awe-inspiring presence of the mountains amidst the tranquil lake.

How to Visit Khao Sam Kler

To visit Khao Sam Kler at Cheow Lan Lake, travelers begin their journey at Ratchaprapha Pier, the main gateway to the lake. The best way to explore the lake and get up close to Khao Sam Kler is by taking a longtail boat ride. The boat trip takes about 30-40 minutes, and along the way, visitors can enjoy breathtaking views of limestone cliffs and the clear green waters.

For a more immersive experience, tourists can choose to stay overnight at one of the floating bungalows on the lake. These accommodations offer the chance to enjoy views of Khao Sam Kler throughout the day, from the golden glow of sunrise reflecting off the water to the magical hues of sunset. An overnight stay also provides opportunities to explore nearby caves and enjoy other natural attractions in the area.

Reaching Cheow Lan Lake is easy from Surat Thani city. Visitors can rent a car or take a minivan from Surat Thani or Phuket, with a travel time of approximately 2-3 hours. Once at Ratchaprapha Pier, longtail boats are available to take visitors to Khao Sam Kler.

Cheow Lan Lake and Khao Sam Kler are must-visit destinations for nature lovers seeking to experience the tranquil beauty of southern Thailand. Whether it’s a scenic boat ride, relaxing on a floating bungalow, or simply admiring the majestic limestone formations, Khao Sam Kler offers a memorable and inspiring experience for all visitors.

Khao Sok Lake