Is it possible to leave Kinsale in early morning, stop at the Rock of Chashel, and then Powerscout, and be in Dublion by early evening. Thanks so much
Kinsale to Dublin is about a 4 hour trip and going m-8 will take you through Cahir and Cashel
and assuming you are planning to stop in Cashel, that does not leave you much time for Powerscourt, which is about an hour and half drive south of Dublin, you would not have much time to spend and you could easily spend 2 to 3 hours there. IMHO I do not think you could do both and be in Dublin by early evening and see both sites fairly.