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OSMOSE Protecting Southeast Asia's largest waterbird colony at Prek Toal, Tonle Sap Lake. Community-based ecotourism and education since 1999. Since 1999

Osmose works at the intersection of livelihoods and conservation in the Tonle Sap Biosphere Reserve, home to the largest waterbird colony in Southeast Asia.
1. Conservation: protecting globally threatened waterbird species at Prek Toal Bird Sanctuary.
2. Community-based ecotourism: alternative income for local communities, reducing pressure on the colony from egg and chick collecting.
3. Environmental education: reaching children in the floating villages of Tonle Sap.

02/10/2026

This is what arriving at Prek Toal feels like in October. The water is high, the boat goes slowly through the flooded forest, and that's pretty much all you hear. Engine, birds, branches brushing past.

នេះជាអារម្មណ៍នៅពេលធ្វើដំណើរទៅដល់ព្រែកទាល់ ក្នុងខែតុលា។ ទឹកបឹងឡើងខ្ពស់ ទូកបើកយឺតៗឆ្លងកាត់ព្រៃលិចទឹក ហើយនោះស្ទើរតែជាអ្វីៗទាំងអស់ដែលអ្នកបានឮ។ សំឡេងម៉ាស៊ីនទូក សំឡេងសត្វស្លាប និងសំឡេងមែកឈើប៉ះទង្គិចគ្នាក្បែរខ្លួន។

🛶It's school holidays here at Prek Toal. Kids out on the water, paddling around, flowers in hand, floating markets passi...
25/09/2026

🛶It's school holidays here at Prek Toal. Kids out on the water, paddling around, flowers in hand, floating markets passing by. Taken just this week around our platform, grey skies, but the village is as alive as ever.🌸

🛶វាជាអំឡុងពេលវិស្សមកាលសិក្សានៅឯព្រែកទាល់។ កុមារៗបានជិះទូកចែវលេងលើផ្ទៃទឹក ដៃកាន់ផ្កា ខណៈដែលទូកលក់ដូរឆ្លងកាត់ទៅវិញទៅមក។ រូបភាពទាំងនេះត្រូវបានថតនៅសប្តាហ៍នេះផ្ទាល់នៅជុំវិញផ្ទះបណ្តែតទឹករបស់យើង ទោះបីជាផ្ទៃមេឃស្រអាប់បន្តិច មើលទៅភូមិបណ្តែតទឹកនៅតែពោរពេញដោយភាពរស់រវើក។🌸

📚 School’s out, but learning never stops! ✨Our environmental class at the Osmose floating platform is still full of smil...
18/09/2026

📚 School’s out, but learning never stops! ✨
Our environmental class at the Osmose floating platform is still full of smiles and energy during this school holiday!
Local kids continue gathering to study, share ideas, and learn how to protect the Tonle Sap lake.💚🌱

ថ្នាក់រៀនបរិស្ថាននៅតែពោរពេញដោយស្នាមញញឹម និងថាមពល ទោះជាស្ថិតក្នុងអំឡុងពេលវិស្សមកាលសិក្សាក៏ដោយ!
កុមារៗនៅក្នុងសហគមន៍នៅតែបន្តជួបជុំគ្នានៅលើផ្ទះបណ្តែតទឹករបស់អង្គការអូស្ម៉ូស (Osmose) ដើម្បីសិក្សា ចែករំលែកគំនិត និងរៀនសូត្រពីវិធីសាស្ត្រក្នុងការថែរក្សាការពារបឹងទន្លេសាប។ កុមារតូចៗទាំងនេះហើយ គឺជាអនាគតនៃបឹងទន្លេសាបរបស់យើង

2 months ago, Le Figaro Magazine came to Prek Toal and featured Osmose in their big story on sustainable travel in Cambo...
11/09/2026

2 months ago, Le Figaro Magazine came to Prek Toal and featured Osmose in their big story on sustainable travel in Cambodia 🙏
The water is up, and the flooded forest is beautiful right now. A good time to come out on the lake with us.
Every visit supports bird conservation and the floating village families.
All our tours here 👉 https://osmosetonlesap.org

កាលពីពីរខែមុន ទស្សនាវដ្តីបារាំង Le Figaro Magazine បានមកដល់ព្រែកទាល់ ហើយសរសេរអំពី Osmose ក្នុងអត្ថបទស្តីពីទេសចរណ៍និរន្តរភាពនៅកម្ពុជា 🙏
ឥឡូវនេះទឹកកំពុងឡើង ព្រៃលិចទឹកស្អាតណាស់។ ជាពេលល្អក្នុងការមកលេងបឹងទន្លេសាបជាមួយយើង។
ដំណើរកម្សាន្តនីមួយៗ ជួយការពារសត្វស្លាប និងគ្រួសារនៅភូមិបណ្តែតទឹក។
កញ្ចប់ដំណើរកម្សាន្តទាំងអស់របស់យើងនៅទីនេះ 👉 https://osmosetonlesap.org

🌱🌊Our floating garden is still going on during the school holidays 🌿🌊🌱🌊សួនច្បារបណ្តែតទឹករបស់យើង នៅតែបន្តដំណើរការយ៉ាងសកម្...
04/09/2026

🌱🌊Our floating garden is still going on during the school holidays 🌿🌊
🌱🌊សួនច្បារបណ្តែតទឹករបស់យើង នៅតែបន្តដំណើរការយ៉ាងសកម្ម ទោះបីជាស្ថិតនៅក្នុងអំឡុងពេលវិស្សមកាលសិក្សាក៏ដោយ 🌿🌊

Moving day on the Tonle Sap! 🚤📚Today we saw a floating school moving to its new spot, right as the two month school holi...
28/08/2026

Moving day on the Tonle Sap! 🚤📚

Today we saw a floating school moving to its new spot, right as the two month school holiday begins.

No buses here, just boats towing the whole classroom across the water. Wishing the students a great break, see you back on the lake soon 🌊

ថ្ងៃប្តូរទីតាំងនៅលើបឹងទន្លេសាប! 🚤📚

ថ្ងៃនេះ យើងបានឃើញសាលារៀនបណ្តែតទឹកមួយ កំពុងផ្លាស់ប្តូរទៅកាន់ទីតាំងថ្មី ចំពេលដែលវិស្សមកាលសិក្សារយៈពេលពីរខែទើបតែចាប់ផ្តើម។

នៅទីនេះគ្មានរថយន្តក្រុងនោះទេ មានតែទូក និងកាណូតដែលសណ្តោងថ្នាក់រៀនទាំងមូលឆ្លងកាត់ផ្ទៃទឹក។ ជូនពរប្អូនៗសិស្សានុសិស្សទាំងអស់ឱ្យទទួលបានការសម្រាកវិស្សមកាលយ៉ាងរីករាយ ហើយជួបគ្នានៅលើផ្ទៃបឹងវិញក្នុងពេលឆាប់ៗនេះ 🌊

21/08/2026

This story is from home. On Tonle Sap, families in our own villages face the same choice every week: pay for fuel to reach the fishing grounds, or keep the kids in school. When money is tight, school is often the first thing to go.

Rising fuel costs are not just a headline here. They are the reason a child misses class to help gather firewood, or a boat to school gets postponed another day.

This is exactly why our environmental education work matters, not as an extra, but as one of the only steady things keeping kids connected to learning when their family’s income is this unpredictable.

You can help keep that door open. Support our education work on Tonle Sap https://give.asia/campaign/help-keep-tonle-sap-alive-for-the-families-who-call-it-home/31672604/zly3y?ee=mJIudig2gjcXcPykx6nj2294PrAaqaPa&utm_source=link_copy&utm_medium=share_button&utm_campaign=giviki&utm_content=charity&gs=sh31672604-zly3y #/story

Hi everyone! I look different, and  I’m standing here with my friends. 👋🐦Can you find me?I’m the biggest bird in the Pre...
19/12/2025

Hi everyone! I look different, and I’m standing here with my friends. 👋🐦Can you find me?

I’m the biggest bird in the Prek Toal Bird Sanctuary.
Do you know who I am? 😊

Address

Sala Kamroeuk; Siem Reap;
Siem Reap
93-118

Opening Hours

Monday 08:00 - 12:00
14:00 - 17:30
Tuesday 08:00 - 12:00
14:00 - 17:30
Wednesday 08:00 - 12:00
14:00 - 17:30
Thursday 08:00 - 12:00
14:00 - 17:30
Friday 08:00 - 12:00
14:00 - 17:30

Telephone

+85512832812

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