Plizio Visual Lab

Ojos de Mar Lake

Plizio editorial teamUpdated: Jun 2026Data Sources

Lake

Weather…

Ojos de Mar is a fascinating natural lake located near the town of Bella Vista Norte in the Amambay Department. This geological anomaly consists of two circular lagoons with deep blue water that, due to its clarity and depth, resembles the sea. The lake likely formed along a geological fault and is fed by underground springs, keeping the water crystal clear year-round. The shores are surrounded by dense vegetation and limestone formations, creating a sharp contrast with the azure water. Scientific investigations suggest that the lake's depth could exceed 100 meters, although precise measurements are difficult due to the complex underwater cave systems. The ecosystem hosts unique microorganisms and rare fish species adapted to the mineral-rich water. For the local population, the site is shrouded in legends and is widely regarded as one of Paraguay's hidden natural treasures.

Location: Paraguay
Nearby: Yby Yaú (27 km)

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	27	26	26	24	20	19	19	21	24	26	26	27
Rain mm	183	178	114	123	118	76	47	42	82	148	179	168

📋 Practical info

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Getting there

This quiet find is located in the Amambay region and usually requires traveling on rugged rural paths. Hiring a local guide in the nearby towns is highly recommended to easily locate and safely access the remote site.

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Best season

The dry season, particularly from May to September, is the optimal time to visit, as heavy rains can wash out the approach roads. The bright sunlight during these months also perfectly highlights the lake's remarkable blue color.

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Terrain & paths

The path to the lake involves a short hike through relatively dense and unmanicured native forest. The terrain immediately surrounding the water can be somewhat slippery and uneven, requiring a cautious approach on foot.

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What to bring

Closed-toe hiking shoes with good traction are advised for the forest walk leading to the water. Insect repellent and breathable clothing are essential for the humid climate, and a camera is a must for the striking scenery.

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Parking

Vehicles are generally left at informal spots near a local landowner's property or at the makeshift start of the trail. Since it is a remote location, do not leave any valuables in the car and confirm the spot with your guide.

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Safety

Swimming in this particular lake is often discouraged or prohibited due to its unverified depth and unique, fragile ecosystem. Tread carefully around the edges and respect the pristine, untouched nature of the site.

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Time needed

Including the time taken to travel the rough dirt roads and the short hike, the excursion usually requires a half-day. Actually spending time at the lake shores taking photographs and enjoying the silence generally takes about an hour.