Directions From Dublin International Airport/M50
At the Airport Roundabout take the 2nd exit onto the M1 (signposted Dublin, Belfast, M1).
At the roundabout take the 2nd exit, then join the M1 motorway (signposted Dublin).
Leave the M1 at junction 1 (Junction with M50) then take left-hand lanes, then join the M50 motorway (signposted Other Routes, Southbound).
Leave the M50 at junction 6 then take the left-hand lane, then merge onto the N3 (signposted Cavan).
Continue forward onto the M3 motorway (signposted Cavan).
Leave the M3 at junction 4, signposted Dunboyne, Clonee.
Continue on R156 through Clonee.
Turn left at roundabout signposted Dunboyne.
Continue through two sets of lights. At the third set, turn left towards Maynooth.
Dunboyne Castle Hotel & Spa is on the left-hand side.