Gaelforce Great Lake Swim - Lough Derg, Mountshannon

What to Expect

The Gaelforce Great Lake Swim takes place on the clear waters of Lough Derg at Mountshannon, Co. Clare. Three distance options suit first-timers and seasoned open water swimmers: 750m, 2km and 3.9km (full Ironman swim distance). Both wetsuit and non-wetsuit swimmers are welcome. The event is part of the Gaelforce Great Swim Trilogy.

Good to Know

• Date: Saturday 11 July 2026, Mountshannon, Co. Clare.
• Distances: 750m, 2km and 3.9km.
• Participants must be 16 or over; 16-17 year olds need a signed parental consent form.
• Register via Gaelforce Events website.
• Mountshannon Beach offers a sheltered entry on the western shore of Lough Derg.

Getting There

Mountshannon is on the R352 in east Clare, approximately 30km from Ennis. Limited on-street parking in the village - follow event signage for designated parking areas.