I am not a whiskey fan, so this post will for sure not be able to provide a relevant opinion on the whiskey itself, but I can let you know what I thought about visiting the Jameson Distillery in Midleton (I've done the one in Dublin as well on a different trip)
If you like walking along dramatic landscape than you came to the right place. I'll share with you 2 very nice locations which I have discovered (with some local help) where you can take a long walk.
One of the cool things about Cork is that you can use it as your main accommodation location and take day trips from there. Whether with a tour company like Paddy Wagon, by car or by train you can easily explore several of the gorgeous locations of Cork County & surroundings.