Where to Swim: The World’s 20 Clearest Natural Pools

Imagine dipping into crystal-clear waters where you can see straight to the bottom, surrounded by breathtaking natural beauty. From hidden caves to expansive lakes, the world boasts some of the clearest and most stunning natural pools. Each location offers a unique swimming experience that feels like stepping into another world. This list guides you through the top 20 spots where the water is so clear, it’s like swimming in liquid glass.

1. Linapacan Island (Philippines) – Said to be clearer than air

Linapacan Island, nestled in the heart of the Philippines, is a paradise with waters so clear, it’s often cited as clearer than air. This remote island is part of the Palawan archipelago, a place where the water is so transparent that boats seem to float in the air. Snorkelers and divers are treated to a vibrant underwater world teeming with marine life, visible even from the surface. The island, largely untouched by tourism, offers an authentic slice of paradise with its pristine beaches and clear waters. It’s the ultimate getaway for those looking to escape into nature’s untouched beauty.

2. The Blue Hole (Belize) – A giant marine sinkhole

The Blue Hole in Belize is a giant marine sinkhole that’s famous worldwide for its astonishing clarity and deep blue color. This underwater cavern, over 300 meters across and 125 meters deep, is a haven for divers looking to explore its crystal-clear waters. Visibility here can extend up to 30 meters, allowing a clear view of the stalactites and limestone formations that adorn its walls. The surrounding reef brims with a rich variety of marine life, making each dive a unique experience. It’s not just a swimming spot; it’s an underwater adventure.

3. Crater Lake (USA) – Deepest lake in the United States

Crater Lake in Oregon holds the title as the deepest lake in the United States, with depths reaching 1,949 feet. Its waters are of unmatched clarity, thanks to its isolation and the lack of incoming streams and rivers. The lake’s vivid blue color is a sight to behold, reflecting the surrounding cliffs and skies. Visitors can enjoy swimming in designated areas, experiencing the purity and cold of these ancient waters. It’s an iconic American natural wonder that offers both beauty and a refreshing dip.

4. Silfra Fissure (Iceland) – Swim between two continents

The Silfra Fissure in Iceland offers an unparalleled swimming experience, allowing you to float between the North American and Eurasian tectonic plates. The water, filtered through underground lava for centuries, is so clear that visibility often surpasses 100 meters. Swimming or snorkeling in Silfra is like floating in space, surrounded by mesmerizing shades of blue. The water temperature is nearly constant year-round, hovering around 2-4°C, ensuring a brisk but exhilarating swim. It’s a geological marvel that offers not just a swim, but a journey between worlds.

5. Hvar Island (Croatia) – A Mediterranean gem

Hvar Island in Croatia is renowned for its clear blue waters, making it a favorite among sailors and swimmers alike. The Adriatic Sea’s purity here is unmatched, offering visibility that can make you forget you’re underwater. Hvar’s pebbled beaches and hidden coves provide the perfect backdrop for a serene swim. The island’s waters are teeming with life, from schools of colorful fish to intricate coral formations. It’s a Mediterranean paradise that combines historical charm with natural beauty.

6. Lake McKenzie (Australia) – Silica sand filters the water

Lake McKenzie on Fraser Island, Australia, is a freshwater lake known for its incredibly clear water and pure white silica sand. The sand acts as a natural filter, keeping the water so pure it’s unsuitable for many species. Swimming here feels like floating in air, with visibility so clear you can see your shadow on the bottom. The lake is a popular spot for picnics and relaxing swims, surrounded by ancient rainforests. It’s an example of nature’s ability to create a perfectly balanced ecosystem.

7. Jiuzhaigou Valley (China) – Fairy tale lakes

Jiuzhaigou Valley in Sichuan, China, is famed for its multi-level waterfalls, colorful lakes, and snow-capped peaks. The valley’s lakes are so clear that they perfectly mirror the surrounding mountains and forests. These waters range in color from deep green to vibrant turquoise, owing to mineral deposits and algae. Swimming is restricted to preserve the natural beauty, but the views alone are worth the visit. It’s a place where nature’s artistry is on full display, inviting awe and admiration.

8. To Sua Ocean Trench (Samoa) – A natural swimming hole

To Sua Ocean Trench in Samoa is a stunning natural swimming pool, hidden within lush gardens. This large, natural hole is filled with sea water through an underground cave, resulting in crystal-clear blue water. Climbing down the ladder into the trench, swimmers are enveloped in a world apart, surrounded by rock walls and hanging vegetation. The clarity of the water combined with the unique setting makes for an unforgettable swimming experience. It’s a natural wonder that feels like stepping into a secret, aquatic garden.

9. Lake Baikal (Russia) – The world’s oldest and deepest freshwater lake

Lake Baikal in Siberia is not only the world’s oldest freshwater lake but also its deepest. Its clear ice and water create a mesmerizing spectacle, especially in winter when the ice is transparent enough to see deep into the lake. During the summer, the lake’s cobalt blue waters offer a refreshing swim with visibility that stretches for meters. The lake is home to unique species, such as the Baikal seal, adding to the allure of a swim here. It’s a natural treasure that offers a glimpse into the ancient world.

10. Dean’s Blue Hole (Bahamas) – The world’s second deepest blue hole

Dean’s Blue Hole in the Bahamas is the world’s second deepest blue hole, plunging 202 meters into the ocean floor. This underwater sinkhole is surrounded by crystal-clear turquoise waters, making it a popular spot for freedivers and swimmers. The contrast between the dark depths of the hole and the surrounding clear water is striking. Marine life flourishes in and around the hole, offering swimmers the chance to encounter a variety of species. It’s an awe-inspiring natural wonder that combines the thrill of exploration with the beauty of the Bahamian sea.

11. Pupu Springs (New Zealand) – Some of the clearest water ever measured

Pupu Springs, or Te Waikoropupū Springs, in New Zealand, hold the record for some of the clearest water ever measured. The springs boast visibility of up to 63 meters, thanks to the water’s natural filtration through underground aquifers. The Maori consider the springs sacred, and swimming is not allowed, but the site offers walkways for visitors to admire the clarity and purity of the water. The surrounding area is rich in greenery, enhancing the magical appearance of the springs. It’s a place of natural wonder and cultural significance, offering a glimpse into the pristine nature of New Zealand.

12. Cayo Coco (Cuba) – Shallow waters and coral reefs

Cayo Coco in Cuba is celebrated for its shallow waters and extensive coral reefs, making it an ideal spot for snorkeling and swimming. The clarity of the water allows swimmers to easily observe the vibrant marine life beneath the surface. The island’s white sandy beaches stretch for miles, offering plenty of space for relaxation and seaside adventures. The combination of clear water, coral reefs, and tropical climate makes Cayo Coco a swimmer’s paradise. It’s a tropical retreat where the natural beauty of the Caribbean is on full display.

13. Verzasca River (Switzerland) – Crystal-clear mountain waters

The Verzasca River in Switzerland is famed for its crystal-clear waters, flowing through steep valleys and rocky gorges. The purity of the mountain water, combined with its emerald green color, creates a stunning visual effect. Swimmers and divers come here to enjoy the cool, clean waters and the picturesque surroundings. The riverbed, with its smoothed rocks and boulders, is clearly visible from the surface. It’s a refreshing escape into the heart of nature, where the water is as clean as the mountain air.

14. Nanda Blue Hole (Vanuatu) – A magical shade of blue

Nanda Blue Hole in Vanuatu is renowned for its intense, almost magical shade of blue. This freshwater spring is surrounded by lush forest, adding to the sense of enchantment. The clarity of the water is astonishing, offering visibility that makes every swim an exploration. It’s a serene spot for those looking to dive into nature’s beauty, away from the crowds. Nanda Blue Hole is a jewel of the Pacific, where the water’s clarity is matched only by its color.

15. Ik Kil Cenote (Mexico) – A swim in ancient waters

Ik Kil Cenote in Mexico is a deep, natural pit, or sinkhole, resulting from the collapse of limestone bedrock that exposes groundwater underneath. This cenote, part of the Yucatan Peninsula, offers swimmers the chance to dip into cool, clear waters surrounded by hanging vines and lush vegetation. The water is so clear that you can see small catfish swimming around. It’s not just a swimming spot; it’s an experience steeped in Mayan history. Ik Kil Cenote is a mystical place that connects the present with the ancient past.

16. Ginnie Springs (USA) – Crystal-clear freshwater springs

Ginnie Springs in Florida is a haven for those who love the water. The springs boast some of the clearest freshwater on earth, inviting swimmers, snorkelers, and scuba divers to explore its depths. The water is so transparent that it’s easy to spot turtles, fish, and even manatees swimming nearby. Nestled in lush greenery, the springs offer a tranquil escape from the hustle and bustle. It’s a place where you can relax, swim, and connect with nature in its purest form.

17. Five Flower Lake (China) – A palette of colors beneath the water

Five Flower Lake in Jiuzhaigou National Park, China, is a shallow lake that mesmerizes visitors with its kaleidoscope of underwater colors. The lake floor is littered with fallen trees, which, along with minerals and algae, create a stunning array of colors visible through the clear water. The water’s clarity and the multitude of hues make this lake a photographer’s dream. Swimming is not permitted, but the views from the boardwalks are breathtaking. It’s a natural masterpiece that showcases the diversity and beauty of the underwater world.

18. Lake Tekapo (New Zealand) – Milky-blue waters from rock flour

Lake Tekapo in New Zealand charms visitors with its distinctive milky-blue waters, a result of finely ground rock flour from surrounding glaciers. The lake’s surface reflects the surrounding mountains and skies, creating a serene and picturesque landscape. Swimming in the lake offers a refreshing and somewhat surreal experience, given the unusual color of the water. The clarity of the lake, combined with its color, makes it a unique swimming destination. It’s a place where the natural wonders of New Zealand come together in a stunning display.

19. Devil’s Pool (Zambia) – Swim at the edge of a waterfall

Devil’s Pool in Zambia offers an adrenaline-pumping swimming experience at the edge of Victoria Falls, one of the largest and most famous waterfalls in the world. During the dry season, swimmers can safely float just meters from where the water cascades down a 100-meter drop. The natural rock barrier keeps swimmers secure, allowing them to peer over the edge into the chasm below. The water is clear, offering a unique perspective of the falls from the top. It’s a once-in-a-lifetime swim that combines natural beauty with a thrill like no other.

20. Plitvice Lakes (Croatia) – A cascade of emerald pools

Plitvice Lakes National Park in Croatia is a UNESCO World Heritage site known for its series of stunning, terraced lakes connected by waterfalls. The water here is so clear that the wooden pathways seem to float above the surface. These emerald pools get their unique color from minerals in the water, creating a surreal swimming experience. While swimming is not allowed, the park offers boat rides that provide close-up views of the clear waters and surrounding waterfalls. It’s a magical place where water plays the lead role in a breathtaking natural performance.

This article was written by a human and edited with AI Assistance