At Antrim Castle Grounds · Randalstown Road, Antrim, Co. Antrim
The Six Mile Festival is a three-day summer event held each August in Antrim Castle Grounds, taking its name from the Six Mile Water river that runs through the town. The 2026 edition runs 2 to 4 August with live music on multiple stages, a street carnival, food and craft markets, family activities, and local entertainment throughout each day. The festival is a centrepiece of the Antrim and Newtownabbey summer events programme and attracts large crowds from across the borough.
The festival is free to attend and is designed as an inclusive family event for all ages.
Dates: Sunday 2 to Tuesday 4 August 2026
Venue: Antrim Castle Grounds, Randalstown Road, Antrim
Entry: Free
Enquiries: 0300 123 7788 or visit antrimandnewtownabbey.gov.uk
Antrim Castle Grounds is on the Randalstown Road, close to Antrim town centre. Antrim train station (Belfast to Derry line) is a short walk away. Car parking is available nearby.
Heading to Antrim Castle Grounds? Antrim has plenty more to see. Browse the area guide, find what else is on, and explore the towns and villages nearby.