Lucan Leisure Centre, Griffeen Valley Park, Lucan, Co. Dublin
10am - 5pm sat 10am - 2pm sun
Nice little park really well built and has light on during the cold winter nights, good boxes for grinds and few nice little bank hips, decent quarters too.
Turnstile getting in and out with bike is hassle.
Other users... Pretty safe for an outdoor park, never heard any bad stories.