Rogerstown Estuary

Rogerstown Estuary is a protected nature reserve spanning saltwater marshes, wet meadows, and shallow river channels along the County Dublin coast. A railway causeway and bridge built in the 1840s runs through the center, dividing the site into two distinct sections.

The estuary was originally a continuous tidal basin until the Dublin-Belfast railway construction of the 1840s physically divided it into separate zones. This engineering project created the landscape that visitors see today.

The site holds a place in Irish folklore through the legend of Goban Saor, a craftsman figure whose stories reflect the deep connection between local communities and the coastal landscape. This cultural thread remains visible in how the place is named and remembered by those who live nearby.

The site has designated walking paths with several viewpoints positioned around the estuary for observing waterfowl and birds. These routes offer good access and work especially well during autumn and winter when migratory species arrive.

The mouth of this estuary is so narrow that the beaches of Portrane and Rush lie within such close range that someone could walk between them in under a minute if the water were not in the way. This geographic detail reveals just how tight the inlet becomes at its coastal opening.

Location: County Dublin

GPS coordinates: 53.50288,-6.10000

Latest update: December 14, 2025 09:42