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Shannon Pot: Source of the Shannon

Discover the mystical source of Ireland's longest river, steeped in ancient mythology and surrounded by stunning natural beauty.

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The Shannon Pot, a mystical pool in County Cavan, marks the traditional source of Ireland's longest river, the River Shannon. Steeped in legend and surrounded by tranquil landscapes, it's a must-see for nature lovers and those seeking a connection to ancient Ireland.

A brief summary to Shannon Pot

  • Derrylahan, Co. Cavan, IE

Local tips

  • Visit during the summer months for the most favorable weather and to see the landscape in full bloom.
  • Take a leisurely stroll along the Shannon Pot Walk, a well-maintained trail offering scenic views.
  • Pack a picnic to enjoy by the tranquil waters of the Shannon Pot.
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Getting There

  • Walking

    The Shannon Pot is located along the Cavan Way, a long-distance walking route between Blacklion and Dowra. From the car park, a short marked trail leads to the Shannon Pot. The walk is easy and takes only a few minutes. The Cavan Way and Cavan Burren Park will remain open.

  • Public Transport

    There is no direct public transportation to the Shannon Pot. From Cavan, the best option is to take a bus to Hawkswood and then a taxi to the Shannon Pot. The bus and taxi journey takes approximately 1 hour and 25 minutes. Alternatively, take the bus from Cavan Bus Station to Bellanaleck or Derrylin and then drive to Shannon Pot.

  • Driving

    The Shannon Pot is located along the Blacklion to Glangevlin Road (R206) in West County Cavan. It is approximately 50 minutes away from Killeshandra. From Cavan, it is about a 53-minute drive. There is ample parking available at the site. Note: Visitor access to the Shannon Pot may be intermittent due to construction works until early 2026.

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Discover more about Shannon Pot

The Shannon Pot, or *Log na Sionna* ('hollow of the Shannon' in Irish), is a captivating pool nestled in the karst landscape of County Cavan. This naturally fluctuating, aquifer-fed pool is the recognized source of the majestic River Shannon, which journeys 280km to the Shannon Estuary in Limerick. Legend claims the river's name originates from Síonnan, granddaughter of the Celtic sea god. Tales recount her quest for wisdom at the pool, where either eating forbidden fruit or seeking the Salmon of Wisdom angered the waters, causing them to rise and drown her, thus forming the river. This mythology adds an ethereal quality to the site, connecting visitors to Ireland's ancient past. Historically significant, the Shannon Pot may have been a site of ancient rituals. Archaeological evidence suggests similar springs were revered by early inhabitants, possibly used for ceremonies honoring water deities. The pool's Gaelic name, *Legnashinna*, further emphasizes its importance as a significant place in Celtic times. Today, the Shannon Pot is part of the Marble Arch Caves Global Geopark, a UNESCO-recognized area. Visitors can explore walking trails offering views of the Cuilcagh Mountains and surrounding countryside. Interpretive signs provide insights into the site's geology, mythology, and history. The area is also a haven for biodiversity, with diverse plant and animal species. Ongoing construction of an interpretative center is expected to conclude in early 2026, promising an enhanced visitor experience with detailed exhibits on the river's geography, history, and mythology.

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