Attica has many hidden places and secrets that you probably don’t know. For example, you may never have heard of volcanoes that used to be active. One of them is located in the area of Agioi Theodoroi on the border of Attica with Corinthia. It is a volcano without an active crater that still maintains intense post-volcanic activity. The reason for Susaki.
The volcano without a crater in Attica
Susaki is located at an altitude of 180 meters above sea level. Today, about 2.5 million years after its last eruption, it maintains intense activity. From this, many tens of thousands of cubic meters of carbon dioxide, methane, and hydrogen sulfide were released into the atmosphere, while the temperature on its slope reaches even 42 degrees Celsius.
In the area of the volcano, there are two gorges which are surrounded by slopes with very impressive volcanic rocks, while in them run water fed by springs scattered along them. Susaki is the northern end of the volcanic arc, which still includes the volcanoes of Methana, Aegina, Poros, Nisyros, and Santorini. And the last volcanic activity in the region may have been 2,700,000 years ago, but the smell of methane and hydrogen sulphide becomes more intense when you approach it.
Most likely, you’ve been outside countless times on your way to the Peloponnese, but you haven’t stopped. Agioi Theodori, a town by the sea, has a secret.
How to get to Susaki
The route starts from a side road of the Athens – Corinth highway. To reach Susaki, at the beginning of the route coming from Athens or Corinth, you follow the highway to the junction of Agioi Theodoroi. Then things are simple. You follow the signs to reach this volcano in Attica.
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Frequently Asked Questions
Susaki is an inactive volcano located in Agioi Theodoroi on the border between Attica and Corinthia. It sits at 180 meters above sea level and, despite having no active crater, maintains intense post-volcanic activity with the release of carbon dioxide, methane, and hydrogen sulfide gases.
Susaki volcano is situated in the Agioi Theodoroi area on the border between Attica and Corinthia. It can be accessed via a side road of the Athens-Corinth highway, with clear signs marking the route from the Agioi Theodoroi junction.
The last eruption of Susaki volcano occurred approximately 2.5 to 2.7 million years ago. Despite this long period of inactivity, the volcano continues to show signs of post-volcanic activity with gas emissions and high temperatures.
Today, Susaki maintains intense post-volcanic activity with temperatures reaching up to 42 degrees Celsius on its slopes. The volcano releases tens of thousands of cubic meters of carbon dioxide, methane, and hydrogen sulfide annually. The area features two impressive gorges with volcanic rocks and spring-fed water streams.
Susaki is the northern end of a volcanic arc that includes the volcanoes of Methana, Aegina, Poros, Nisyros, and Santorini. This chain represents ancient volcanic activity in the Greek region spanning millions of years.
