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Explore the Jewel of Southern Thailand: Khao Sok National Park and Cheow Lan (Ratchaprapha) Dam

Written by: Sunee Khamlue Published On Aug 19, 2025

Panoramic view of Cheow Lan Lake at Khao Sok National Park with limestone cliffs and morning mist.

{"time":1755593377701,"blocks":[{"id":"D4Q5NeVCr-","type":"header","data":{"text":"Khao Sok National Park and Cheow Lan Lake(Ratchaprapha) Dam:&nbsp;Explore the Jewel of Southern Thailand","level":1}},{"id":"VFbuK4nHnA","type":"header","data":{"text":"Introduction","level":2}},{"id":"S-LLxDthj2","type":"paragraph","data":{"text":"Nestled in Surat Thani Province lies an atmospheric rainforest older and more biodiverse than the Amazon: <a href=\"https:\/\/en.wikipedia.org\/wiki\/Khao_Sok_National_Park\">Khao Sok National Park<\/a>. Within its emerald embrace, the breathtaking<a href=\"https:\/\/en.wikipedia.org\/wiki\/Rajjaprabha_Dam\"> Ratchaprapha Dam<\/a> (also known as Cheow Lan Dam<\/strong>) created a spectacular reservoir\u2014<a href=\"https:\/\/en.wikipedia.org\/wiki\/Cheow_Lan_Lake\">Cheow Lan Lake<\/a>\u2014that has become the region\u2019s most iconic destination. In this guide, you\u2019ll discover the natural wonders, cultural significance, and top activities around this national park and dam. Whether you\u2019re planning a Phuket getaway or crafting an adventure-packed Thailand itinerary, this post will inspire.&nbsp;\n\n (see also our <a href=\"https:\/\/phukettravelstore.com\/the-ultimate-guide-to-traveling-in-phuket\/\">Ultimate Guide to Traveling in Phuket<\/a>).&nbsp;&nbsp;"}},{"id":"Mi_54-QF10","type":"header","data":{"text":"1. What Makes Khao Sok National Park Special","level":2}},{"id":"FD_K2CjO0C","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/EKQV0E5DLhyZ1s9w45PjOhTfmsmMMNwfvuqmAYzA.webp","caption":"Dense rainforest of Khao Sok National Park in southern Thailand with the rare Rafflesia Kerrii, one of the largest flowers in the world, blooming on the jungle floor.","alt":"Ancient rainforest and Rafflesia Kerrii flower inside Khao Sok National Park.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"KrWYT-ECaP","type":"paragraph","data":{"text":"Established on 22 December 1980<\/strong>, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Khao_Sok_National_Park\">Khao Sok National Park<\/a> spans about 739\u202fkm\u00b2<\/strong>, preserving the largest tract of virgin rainforest in southern Thailand.&nbsp;This ancient wilderness\u2014formed over 300 million years\u2014features towering limestone karsts, dense prim\u00e6val forest, and a vibrant ecosystem that includes Malayan tapirs, Asian elephants, white-handed gibbons, and the elusive amphibious centipede discovered in 2001."}},{"id":"YA8di68Bse","type":"paragraph","data":{"text":"The park\u2019s botanical richness is just as impressive. From towering dipterocarps and strangler figs to the world-renowned Rafflesia kerrii<\/strong>, Khao Sok boasts unrivaled biodiversity.&nbsp;With over 5% of the world\u2019s species, it\u2019s a nature-lover\u2019s dream. For trip planning ideas, explore our <a href=\"https:\/\/phukettravelstore.com\/destinations\/\">Thailand Travel Guide &amp; Trip Planner<\/a>"}},{"id":"kOO2g6I4J2","type":"header","data":{"text":"2. The Majesty of Ratchaprapha (Cheow Lan) Dam &amp; Cheow Lan Lake","level":2}},{"id":"BeRCA_divk","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/iigWVgeLg978MKO5KN9puRbom9b2KH6zeLJIHzgX.webp","caption":"A breathtaking aerial view of Ratchaprapha Dam and Cheow Lan Lake in Surat Thani, Thailand, showing the emerald-green reservoir surrounded by limestone mountains and dense rainforest.","alt":"Aerial view of Ratchaprapha Dam and Cheow Lan Lake in Surat Thani, Thailand.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"o5WN9uefpU","type":"paragraph","data":{"text":"Completed in 1987<\/strong>, the <a href=\"https:\/\/en.wikipedia.org\/wiki\/Rajjaprabha_Dam\">Ratchaprapha Dam<\/a> (earlier project name: Cheow Lan Project) was built by EGAT for hydroelectric power, irrigation, flood control, and fisheries. Named \u201cRajjaprabha\u201d (\u201clight of the kingdom\u201d) by King Bhumibol Adulyadej, the dam stands \u224894\u201395\u202fmeters<\/strong> high and stretches \u2248761 meters<\/strong> long, giving birth to the vast <a href=\"https:\/\/en.wikipedia.org\/wiki\/Cheow_Lan_Lake\">Cheow Lan Lake<\/a> covering 185\u202fkm\u00b2.<\/strong>"}},{"id":"5BNRmrKNMr","type":"paragraph","data":{"text":"The flooding of the valley created a dramatic landscape of limestone karsts piercing emerald waters\u2014earning Cheow Lan Lake the nickname \u201c<\/strong><a href=\"https:\/\/www.cheowlanlaketravel.com\/khaosok-history\">Guilin of Thailand<\/a>\u201d.&nbsp;<\/strong>The reservoir is now a banner attraction within<a href=\"https:\/\/en.wikipedia.org\/wiki\/Khao_Sok_National_Park\"> Khao Sok National Park<\/a>."}},{"id":"_pAsuv43z9","type":"header","data":{"text":"3. Activities &amp; Attractions Around the Lake","level":2}},{"id":"e0FYguUZk_","type":"header","data":{"text":"Cheow Lan Lake Boat Tours &amp; Floating Bungalows","level":4}},{"id":"6d3hrADyfA","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/DOhg3csXMLxQT4BF7tl1J2Dr1RqFYXy4Uflqzzc3.webp","caption":"Floating raft houses on Cheow Lan Lake in Khao Sok National Park, Thailand, with dramatic limestone cliffs and emerald waters creating a unique overnight experience.","alt":"Floating bungalows on Cheow Lan Lake in Khao Sok National Park surrounded by limestone cliffs.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"gL8i514lZN","type":"paragraph","data":{"text":"The main departure point is Ratchaprapha Municipal Pier<\/strong>, offering longtail boat tours to floating resorts, caves, viewpoints like Khao Sam Kler (Three Friends Mountain), and serene hidden corners of the lake."}},{"id":"2pegtGjkh0","type":"paragraph","data":{"text":"Floating bungalows dot the lake\u2014places like Praiwan RaftHouse<\/strong>, Kraisorn Floating House<\/strong>, and Magical Mountain View Resort<\/strong> let visitors stay overnight amid majestic limestone cliffs and rainforest reflections. (<a href=\"https:\/\/www.discoverykhaosok.com\/khaosoklake\">Discovery Khao Sok<\/a>).&nbsp;&nbsp;"}},{"id":"hKv4_rrEEh","type":"header","data":{"text":"Caves, Waterfalls &amp; Jungle Trails","level":4}},{"id":"iFTZn-4Shy","type":"paragraph","data":{"text":"Explore Coral (Pakarang) Cave<\/strong>, reached via jungle trek and raft, with ancient rock formations\u2014perfect for families. (<a href=\"https:\/\/www.khaosok.travel\/khaosoklake\">Khao Sok Travel<\/a>).&nbsp;Dare to trek to Nam Talu Cave<\/strong>, a challenging, water-laden adventure through streams and headlamp-lit chambers\u2014season and weather permitting.\n\n (<a href=\"https:\/\/www.khaosok.travel\/khaosoklake\">Khao Sok Travel<\/a>). Take the Morning Safari<\/strong> when the dawn mist, bird songs, and gibbon calls combine into pure jungle magic.&nbsp;Other thrills include kayaking, waterfall climbing (like the Bang Hoi waterfall), and hidden viewpoint exploration."}},{"id":"3hCYZXKn8Q","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/UZ0a0bZQ6uRchuLDQc06GR6L5NgM1toIfvOYc8Ze.webp","caption":"Travelers on an adventure trek through Nam Talu Cave in Khao Sok National Park, Thailand, exploring limestone formations, underground streams, and jungle pathways.","alt":"Adventure trek through Nam Talu Cave in Khao Sok National Park with limestone formations.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"jRJUEqL0SZ","type":"header","data":{"text":"Wildlife &amp; Scenic Photography","level":4}},{"id":"-6stVD5FfD","type":"paragraph","data":{"text":"Photographers and wildlife watchers will be enamored by possibilities for glimpses of rare birds, orchids, reptiles, and primates. The Guilin viewpoint<\/strong>, with its iconic limestone peaks, is a social-media-ready spectacle.&nbsp;\n\n(<a href=\"https:\/\/phukettravelstore.com\/destinations\/thailand\/surat-thani\/\">GetYourGuide \u2013 Cheow Lan Tours<\/a>).&nbsp;&nbsp;"}},{"id":"JWnuI_EL0z","type":"header","data":{"text":"4. Getting There &amp; Best Time to Visit","level":2}},{"id":"MjtmyDowao","type":"paragraph","data":{"text":"Transportation<\/strong>: The dam and park are easily accessible via Surat Thani<\/strong>, Krabi<\/strong>, or Phuket airports<\/strong>. From there, buses, vans, or cars reach Khao Sok. Our Phuket Travel Store tours include pickup from Phuket, Khao Lak or Krabi.&nbsp;\n\nThe Ratchaprapha Municipal Pier<\/strong> is about 65\u202fkm from Surat Thani city<\/strong>, roughly a 1.5\u2011hour drive.<\/strong>"}},{"id":"nHmODMXthl","type":"paragraph","data":{"text":"You can also check schedules via <a href=\"https:\/\/www.ferrysamui.com\/ratchaprapha-dam.html\">Ferry Samui<\/a> or book directly through <a href=\"https:\/\/www.ferrysamui.com\/ratchaprapha-dam.html\">Klook<\/a>."}},{"id":"g87WB5FDLR","type":"paragraph","data":{"text":"If you\u2019re combining this trip with the islands, our <a href=\"https:\/\/phukettravelstore.com\/tour\/similan-islands-by-speedboat\/\">Similan Islands by Speedboat Tour<\/a> makes the perfect next adventure.&nbsp;&nbsp;"}},{"id":"YGcGRSaYj3","type":"paragraph","data":{"text":"Best Time to Visit<\/strong>: November to April offers ideal weather for outdoor activities, while the rainy season (May\u2013October) brings more rain and less accessibility."}},{"id":"IxHRSkGOkG","type":"header","data":{"text":"5. Eco-Concerns &amp; Conservation","level":2}},{"id":"5M8W8p9MP8","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/UpuhADrv3pPkOBIwKwMlpaCCMyXlHEAZocZRHu9n.webp","caption":"Golden sunset over Cheow Lan Lake in Khao Sok National Park, Thailand, with towering limestone cliffs and surrounding jungle habitat home to diverse wildlife.","alt":"Sunset over Cheow Lan Lake with limestone cliffs and jungle wildlife in Khao Sok National Park.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"hCEBJF5qoF","type":"paragraph","data":{"text":"The reservoir submerged vast tracts of rainforest and affected biodiversity. Historical reports note local wildlife relocation, but around 52 species of fish were lost<\/strong> due to habitat change.&nbsp;\n\nThe <a href=\"https:\/\/en.wikipedia.org\/wiki\/Khlong_Saeng_Wildlife_Sanctuary\">Khlong Saeng Wildlife Sanctuary<\/a> to the north remains vital for species like clouded leopards, Asian golden cats, and gaur, with camera traps capturing rare sightings."}},{"id":"QGOrmT_0Yj","type":"header","data":{"text":"\ud83c\udf1f Book Your Khao Sok Adventure with Phuket Travel Store","level":2}},{"id":"-EjUtYOm-a","type":"paragraph","data":{"text":"A trip to Khao Sok National Park and the breathtaking Ratchaprapha Dam (Cheow Lan Lake)<\/strong> isn\u2019t just another holiday\u2014it\u2019s an unforgettable journey into Thailand\u2019s wild heart. Imagine waking up in a floating bungalow surrounded by misty limestone cliffs, gliding across emerald waters in a longtail boat, or hearing the morning calls of gibbons echoing through the rainforest. These are the moments that stay with you for a lifetime."}},{"id":"EKWUTSYbAt","type":"image","data":{"url":"https:\/\/app.tripcart.com\/storage\/YTlKTGtDRHBxeml2REpsNFNsYkxrYmc4SXl1djlmT0NBMm1nNVQxc1hvcz0\/IAJlHkV2ze3BnLPl8QEhy8Ufomfg5t46OcHkF7Qw.webp","caption":"Book your Khao Sok National Park and Cheow Lan Lake tour with Phuket Travel Store \u2014 enjoy floating bungalows, longtail boat rides, and unforgettable jungle adventures in Thailand.","alt":"Book your Khao Sok National Park and Cheow Lan Lake tour with Phuket Travel Store.","width":1063,"height":709,"withBorder":false,"withBackground":false,"stretched":false}},{"id":"KFxzNIrtBr","type":"paragraph","data":{"text":"At Phuket Travel Store<\/strong>, we don\u2019t just offer tours\u2014we create experiences. Our carefully crafted Khao Sok lake tours<\/strong> and overnight adventures<\/strong> are designed to help you avoid the crowds, discover hidden corners, and connect with nature in an authentic and responsible way. Whether you\u2019re traveling from Phuket, Krabi, or Surat Thani, we provide seamless transfers, knowledgeable guides, and hand-picked accommodations<\/strong> to make your trip stress-free and memorable."}},{"id":"8lz-gekKNO","type":"paragraph","data":{"text":"By booking directly with us, you\u2019ll enjoy local expertise, fair prices, and trusted service<\/strong> from a licensed Thai tour operator. Most importantly, you\u2019ll be supporting sustainable tourism that helps protect Khao Sok\u2019s unique wildlife and ecosystem."}},{"id":"1xjhI6tQ7b","type":"paragraph","data":{"text":"\u2728 Don\u2019t just read about it\u2014experience the magic for yourself<\/strong>. Click below to explore our full range of Khao Sok National Park tours<\/strong> and start planning your adventure today!"}},{"id":"lyeUHpCy2c","type":"paragraph","data":{"text":"\ud83d\udc49 <a href=\"https:\/\/phukettravelstore.com\/destinations\/thailand\/surat-thani\/\">Book Your Khao Sok Tour with Phuket Travel Store<\/a>"}}],"version":"2.31.0-rc.7"}

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Explore the Jewel of Southern Thailand: Khao Sok National Park and Cheow Lan (Ratchaprapha) Dam

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