How high are the Cliffs of Moher? Just for fun note the group of four people standing at the top of the Cliffs in relation to the height. One Response to “How high are the Cliffs of Moher?” Evelyn S. says: 7 Jun '16 at 5:32 PM Yikes! Glad all you lost was a hat and rain cover! Reply Leave a Reply Cancel reply Your Comment Name (required) E-mail (required) URI Notify me of new posts by email.