From city direction take any bus that travels along the Malahide Road, such as 27, 42, 15, 14.
If taking bus number 27, 15, 42 (there are variations of these routes) alight the bus at Don
Collins Park runs behind Collins Avenue so is easily accessed by car.
From the city:
Malahide Road to Donnycarney Church ,left at lights, then right at Collins Park.
Or From city through Drumcondra or Gracepark Ro
You could take the Dart to Killester Station and walk along Collins Avenue. However this may take at least 20-30 minutes.