Killarney National Park is located in the South west of Ireland in Co. Kerry (beside Killarney Town) and can be reached by air, train, car, and bus.
The closest international airports are Kerry Airport (approx. 18km) and Cork airport (approx. 88km).
Shannon Airport (135km) and Dublin Airport (315km) are also popular with visitors to the Soutwest of Ireland.
Killarney is linked to Cork and Dublin by train. There are regular daily services in both directions.
At Mallow and Limerick Junction you can connect to other parts of Ireland.
TRAIN ROUTE MAP: http://www.irishrail.ie/travel-information/station-and-route-maps
Killarney is easily accessible by car with national roads to/from Cork and Limerick. Hire cars are available at airports and in many towns.
Click below for GOOGLE MAP
Bus Eireann serves Killarney and Co. Kerry. There are regular buses to Tralee (connects with West Coast e.g. Limerick) and to Cork (connects with East Coast e.g. Dublin)
BUS TIMETABLES: http://www.buseireann.ie/timetables
BUS ROUTE MAP: http://www.buseireann.ie/Network-Map
Dublin coach travels Ennis-Tralee-Killarney-Limerick-Dublin: http://www.dublincoach.ie/DublintoEnnis/Killarney/Tralee via Limerick