Pol na bPheist, The Wormhole of Inis Mór

The Wormhole of Inis Mór

Tour Stop : No

Last Updated : 28 February 2023

The Wormhole of Inis Mór

share this...

In the midst of the Atlantic Ocean, surrounded by emerald green fields and rugged cliffs, lies the remote island of Inis Mór. The largest of the three Aran Islands off the coast of Ireland, Inis Mór is known for its rich cultural heritage, its rugged beauty, and its mysterious geological formation known as the Wormhole of Inis Mór.

The Wormhole, also known as Poll na bPéist, is a striking rectangular pool located at the bottom of the cliffs south of Dún Aonghasa. The name “Poll na bPéist” is derived from the Gaelic word for “reptilian sea monster.” This natural formation is a captivating sight to behold and holds a significant place in Irish folklore.

Inis Mór has a rich and complex history that dates back to prehistoric times. The island has been inhabited for thousands of years, and its unique geography has been shaped by the forces of nature and human activity. In the past, Inis Mór was a centre of trade, worship, and conflict, and it remains an important cultural and spiritual centre for the local community today.

The Wormhole of Inis Mór is one of the most famous natural wonders on the island and attracts visitors from around the world. The legend has it that the wormhole was created by a giant who dug his way from one side of the island to the other, and that the arch is all that remains of the tunnel.

The Wormhole of Inis Mór & the Community

The Wormhole of Inis Mór holds great cultural significance for the local community. Many believe that it has spiritual properties and that it is a symbol of the island’s connection to the spirit world. The local economy benefits greatly from the tourism industry, with visitors coming from all over the world to see this natural wonder.

However, there are also beliefs and superstitions surrounding the Wormhole. Some believe that it is cursed and that anyone who attempts to cross it will suffer misfortune. Others believe that the Wormhole is a portal to the underworld, and that it should be left alone for fear of inviting evil spirits onto the island.

In recent years, the Wormhole of Inis Mór has been the subject of scientific investigation. Researchers from various fields, including geology, environmental science, and oceanography, have studied the formation to gain a better understanding of the processes that shaped it and its role in the local ecosystem.

Initial investigations into the Wormhole revealed that it is a unique and fragile formation that is constantly changing due to the forces of wind, water, and erosion. The latest findings and research suggest that the Wormhole is a key component of the island’s coastal environment, providing important habitats for a variety of marine species.

The potential benefits and drawbacks of further study of the Wormhole have been debated among the scientific community. While it is important to understand the formation and its role in the local ecosystem, there are concerns that too much attention and traffic to the site could lead to degradation of the natural wonder.

The Future of Poll na bPéist

The Wormhole of Inis Mór is a unique and precious natural formation that holds cultural and scientific significance for the local community and for the world. The future of the Wormhole is therefore a matter of great concern.

The conservation of the natural phenomenon is important to protect it for future generations to admire and appreciate. The local community, along with various environmental organizations, has taken steps to protect the Wormhole and its surrounding area, including limiting access to the site and educating visitors about the importance of preserving the formation.

The potential use of the Wormhole for tourism is a delicate balancing act. While it provides a source of income for the local community, it also puts pressure on the site and raises concerns about its long-term preservation. To mitigate these impacts, sustainable tourism practices and strict regulations have been put in place to ensure that visitors can enjoy the Wormhole while also protecting it.

The impact on the local community is also a major consideration. The Wormhole has become a symbol of the island’s rich cultural heritage, and it is important to ensure that the local community is involved in any decisions related to its future. This includes making sure that the benefits of tourism are shared fairly and that the community is consulted about any changes to the site.


The Wormhole of Inis Mór is a unique and mysterious natural wonder that holds cultural and scientific significance for the local community and the world. Its preservation and protection are essential to ensure that future generations can continue to admire and appreciate this remarkable formation. The Wormhole is a reminder of the beauty and power of nature and the importance of preserving our natural heritage.