Nestled by the River Boyne, Castle Arch Hotel is a short walk away from the Trim Castle, used as the set for Mel Gibson’s film ‘Braveheart’ Nestled by the River Boyne, Castle Arch Hotel is a short walk away from the Trim Castle, used as the set for Mel Gibson’s film ‘Braveheart’. The Dublin Airport is 50 km from the property. Facilities and services include 24 hour reception, restaurant, bar, elevator, Wi-Fi internet access and car parking. Rooms offer modern facilities, such as: coffee/tea maker, telephone, television, Wi-Fi and a private bathroom with hairdryer. Address: Summerhill Road, Co. Meath, Trim, C15 WD92, Republic of Ireland.