Casimiro de Abreu is full of surprises and hidden treasures. That’s because, in addition to the famous “visit from the ETs” that mobilized the city in the 1980s and inspired the construction of a theme park another story also intrigues and generates debate. After all, is Morro de São João a volcano or just a legend? Come and find out more about this geological gem with panoramic views and less than 3 hours from Rio!
Volcano or legend? Learn about the history of this curious geological formation

Morro de São João is located in Barra de São João, a district of Casimiro de Abreu. It is an important geological monument in the municipality, over 800 meters high, surrounded by Atlantic Forest vegetation and a jaw-dropping view !
But where does the volcano’s history come from? It turns out that, when viewed in 3D, it has the shape of a cone, which led many people to believe that it was an extinct volcano.
However, scientists and experts have refuted this idea. Although volcanism did exist millions of years ago and rocks are formed by the crystallization of magma, the original volcano has already been completely eliminated by natural action.
What to do in Morro de São João, in Casimiro de Abreu?

Whether it’s a volcano or not, the fact is that Morro de São João attracts tourists and onlookers, even though few Cariocas know about this imposing hill.
So if you’re curious about visiting the region, there’s plenty to do there. Starting with the trail that leads to the top. On a six-kilometer route, visitors can see incredible landscapes and come face to face with the biodiversity of the fauna and flora.
However, access is only possible through the Hotel Fazenda São João and permission must be sought from the owners.
What’s more, from the highest point and on clear days, you can see other cities in the coastal region, such as Cabo Frio, Búzios and Rio das Ostras.
Did you know about Morro de São João?