Jack Diamond: Come for sunset and make it a clear day, if possible. Go up to the right of the castle, as far as you can inch, for great pics along the cliff at sundown.
Imanol Atchet: Great experience. If someone with you won't cross, don't pay at the checkpoint. You only need tickets to cross the bridge, not to walk around the area.
Peter Donegan: Almost impossible to avoid the Cashel town council 4.50 euro car park charge. Didn't go in, parked on double yellow lines and did our picnic right beside car w/ three other families who thought same ;