The small Gambia has its own archaeological mysteries. Northern coast of Gambia River is dotted with interesting megalithic landmarks – prehistoric stone circles. No one knows for sure what was the purpose of these structures.

Near Wassu village is located the richest site – 11 Wassu stone circles. These perfectly shaped stones have been erected here sometimes around 750 AD.


Many local people consider that stone circles have special powers and can be lethal if disturbed. They mention the case of excavations in the 1930s when leader of expedition and archaeologist died mysteriously. There are stories about stones which glow in the dark and powerful spirits lurking near these circles.

fferings on Wassu megaliths, Gambia
Offerings on Wassu megaliths / shaunamullally, / CC BY-SA 2.0

This adds charm to Wassu stone circles and certainly has helped to preserve these stones throughout the centuries.


Stone circles most likely were created by the local Serer culture. In this region (Senegal and Gambia) are found more than 1,000 such megalithic monuments which were created in the time period from the 3rd to 16th century AD.

According to the results of excavations (not the deadly ones but later expedition from the 1960s) Wassu stone circles were erected in the 7th – 9th century AD. Purpose of this work is not known.

Some centuries later, in the 10th – early 14th century in the centre of stone circles were buried important persons. At the end of this period here were buried some Islamic scholars thus further increasing the importance of stone circles among the locals.

Nowadays local people leave smaller stones or vegetables on the top of flat megaliths as offerings for better luck.

On 2000 there was built small museum next to stones and since 2006 when site was included in UNESCO World Heritage list, Wassu stone circles belong to the most popular tourist destinations in this region.

Wassu megaliths formed as square columns, Gambia
Wassu megaliths formed as square columns / shaunamullally, / CC BY-SA 2.0

Wassu stone circles have a diameter of 4 – 6 m. In each circle are 8 – 14 standing stones, next to the circle stand so called "frontal stones".

Stones are made from laterite – sandstone which is cemented with lime and iron oxides. Initially this stone is rather soft and it is fairly easy to form it in the needed shape. As the time goes, stone becomes hard.

Megaliths have been shaped with great skill, most likely with iron tools. Most stones are shaped as round columns, with flat tops. There are also square columns. All stones in a circle have similar size and form.

In Wassu are located the tallest standing stones in the Senegambian group of megaliths. Stones are 0.6 – 2.45 m high and up to 7 tons heavy.

Wassu stone circles on the map
Travelers' Map is loading...
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Location, GPS coordinates: 13.6915 N 14.8732 W
Categories: Prehistoric and ancient cemeteries, Megaliths
Values: Archaeology, Visual, Unexplained
Rating: 4 out of 10 stars
Where is located? Africa, Gambia, Central River division, in the fields east from Wassu village
UNESCO World Heritage status: Part of "Stone Circles of Senegambia", 2006, No.1226
Age: Stone rings – ˜ 750 AD, burials – in the 10th – 14th century AD

Landmarks of Gambia

Night falls over the mysterious Makasutu Forest, Gambia
Night falls over the mysterious Makasutu Forest / Forbes Johnston, / CC BY 2.0

Gambia is the smallest mainland country in Africa. There are not too many landmarks in this lowland country but some are very interesting. Highlights of Gambia are the numerous megalithic stone circles and European built fortifications both to support and to stop the slave trade.


Mnajdra, lower temple. Such structures were created long before Stonehenge and Egyptian pyramids
Mnajdra, lower temple. Such structures were created long before Stonehenge and Egyptian pyramids / steve deeves, Flickr / CC BY 2.0
One of the most fascinating groups of archaeological monuments are prehistoric structures made of stones – megaliths. Through the ages, people have loved to strain their minds to find a sensible explanation to the many riddles posed by megaliths.

Even today, we can admit with some pleasure, there are thousands of mysteries left for us.

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