Lough Mahon is a shallow tidal sea-lough forming the north-western inlet of Cork Harbour in County Cork, Ireland. It covers roughly 12 square kilometres and is characterized by extensive mudflats that are exposed at low tide, transforming the area into a wide expanse of water at high tide. This significant tidal range is the primary factor for paddlers to plan around, as the exposed mud banks can become inaccessible hazards. The lough is ringed by the urban areas of Mahon, Douglas, Rochestown, Blackrock, and Ballinlough, with Passage West to the south and Little Island to the north. It is part of the Cork Harbour Special Protection Area due to its importance for wintering and migratory wading birds. For paddlers, the key safety consideration is wind exposure, particularly from the south-west. Strong south-westerly winds can push craft into the inaccessible mud banks near Little Island, a noted hazard during organized events. The area also features a dredged, marked shipping channel leading towards Cork City, which is used by commercial vessels and cruise ships; paddlers must be aware of this traffic. The Lough Mahon Greenway provides a flat, car-free path along the shore with access from the Mahon and Blackrock areas, suggesting potential for shore-based entry. The scenic walkway offers fine views of Blackrock Castle, a notable landmark on the water. The best time for a paddling visit is timed to the tide, with low tide offering the opportunity to observe birdlife on the mudflats, including species like curlew, redshank, oystercatcher, and dunlin, particularly during autumn migration. The overall character is an urban estuary, where city suburbs meet a working harbour and significant natural habitat.