Plizio Visual Lab

Lake Mataulano

Plizio editorial teamUpdated: Jun 2026Data Sources

Lake

Weather…

Lake Mataulano is a unique and serene crater lake situated at an elevation of approximately 900 meters in the central highlands of Savai'i island. It occupies the caldera of an extinct volcanic cone, surrounded by some of Samoa's most pristine montane rainforest. The lake is a vital freshwater ecosystem, supporting specialized aquatic plants and providing a habitat for diverse bird species, including the rare Samoa moorhen. Its waters are remarkably clear, reflecting the surrounding dense canopy and the changing tropical skies. Geologically, the lake basin was formed by volcanic activity that ceased thousands of years ago, allowing for the accumulation of rainwater over time. Due to its high altitude and remote location, Lake Mataulano remains a place of spiritual significance for local communities and a site of interest for ecologists studying isolated island biomes. Access typically requires a guided trek through rugged terrain, preserving its tranquil and untouched character.

Location: Samoa
Nearby: Samalae'ulu Uta (17 km)

Best time to visit & climate

The most pleasant time to visit is Jul–Sep.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	28	28	28	28	28	28	27	27	27	28	28	28
Rain mm	262	254	166	154	129	101	81	64	89	141	208	220

📋 Practical info

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Getting there

Tucked away in the central highlands of Savai'i, reaching this lake requires navigating inland logging roads. A local guide is essential to find the correct path through the thick jungle.

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Best season

The best time for this inland trek is the dry season (May to October), when the unpaved approach tracks are accessible. Tropical storms during the wet months can render the area unreachable.

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Terrain & paths

The trek involves navigating challenging, overgrown rainforest trails and climbing up the slopes of the volcanic cone. The final approach to the water is often steep and densely vegetated.

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What to bring

Sturdy hiking boots, long trousers, and a machete (carried by your guide) are often necessary for this rugged environment. Bring ample water and a reliable rain jacket for sudden showers.

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Parking

You will typically leave your vehicle at a local village or at the end of a drivable forest track. Always ask for permission from local landowners before parking and embarking on your hike.

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Safety

This is a highly remote area with no cell reception or medical facilities nearby, making careful preparation crucial. Beware of hidden holes and slippery rocks under the dense vegetation.

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Time needed

Visiting this remote crater lake is a full-day adventure, often requiring several hours of strenuous hiking in each direction through untouched and deeply challenging tropical landscapes.

Geography

Coordinates

-13.62100, -172.40500

Facts

Lake Mataulano is located at an altitude of approximately 900 meters.
The lake is contained within an ancient volcanic crater rim.
It is one of the few high-altitude freshwater lakes in Samoa.
The surrounding forest receives over 4,500 mm of rain annually.
The site is located near the geographic center of Savai'i island.
Ecologists have identified unique peat-forming vegetation in the lake's vicinity.