Plizio Visual Lab

Cerro Memby

Plizio editorial teamUpdated: Jun 2026Data Sources

Mountain

Weather…

Cerro Memby is a distinctive geological formation located in the Amambay Department, near the town of Yby Yaú. Its name in the Guaraní language means 'Child Hill,' referring to its characteristic shape and the smaller elevations surrounding it. The mountain is part of the Amambay range and is notable for its nearly vertical rock faces and rounded summit, making it a key landmark for travelers along Route 5. Geographically, the formation is composed of ancient sandstone, shaped by erosion over millions of years. The vegetation on the slopes is a mix of Cerrado scrubland and subtropical forest, where numerous birds of prey nest. Cerro Memby is considered one of Paraguay's most photogenic sites and is often used as a symbol of the rugged beauty of the northeastern region. Nearby, there are archaeological sites containing ancient petroglyphs, indicating the long history of human presence in the area.

Location: Paraguay
Nearby: Yby Yaú (43 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	27	26	26	24	20	19	18	20	23	25	25	27
Rain mm	178	183	118	133	121	80	50	43	83	159	190	174

📋 Practical info

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Getting there

This mountain, visible from afar, rises strikingly from the flatlands and is usually accessible via unpaved turnoffs from the main cross-country roads. The tracks leading to the actual base of the mountain frequently cross through rural areas and wide pastures.

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Best season

The moderate transitional months offer the most pleasant temperatures for an ascent without enduring oppressive heat. During the rainy season, the unpaved access roads can quickly become a serious challenge for conventional vehicles due to the soft, muddy ground.

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Terrain & paths

While the surrounding area is largely flat, the slopes of the mountain feature steep, often forested or rocky sections. The hiking trails are steep and irregular in many places, so that at times hands must be used to maintain balance during the ascent.

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What to bring

Due to the rough terrain on the mountain, ankle-high hiking boots are very important to provide the necessary stability. Sun protection for the flat approach area and insect repellent for the forested slopes should absolutely not be missing from your daypack.

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Parking

The car is usually left at the edge of the surrounding pastures or at local farmsteads before the trail becomes steeper. It is generally advisable to briefly ask local residents beforehand if parking in the chosen spot is perfectly fine for a few hours.

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Safety

Since the mountain is often exposed to wind and weather on the plain, you should absolutely not ascend if thunderstorms are approaching. The risk of falling rocks in the steeper gullies also requires anticipatory walking and appropriate, continuous caution.

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Time needed

For the initial approach and the actual ascent to the main viewpoints, a total of roughly three to five hours should be scheduled. This allows sufficient leeway to safely and relaxedly master the descent in the terrain, which can be partially loose.