Do something amazing and zip to raise funds for your local Cats Protection branch or centre. Combine the most exciting and exhilarating moment of your life with raising funds to help cats. Zip World Velocity, Bethesda, is the fastest zip line in the world and the longest in Europe. Take in the stunning views from the Big Top of Velocity, out towards Anglesey with views of the Isle of Man on a clear day! You will then descend down the Big Zipper over the quarry lake often reaching speeds well in excess of 100mph!