Diddordeb gwibio ar hyd y wifren wîb hiraf a chyflymaf yn Hemisffer y Gogledd? Lawrlwythwch yr Ap er mwyn derbyn yr holl wybodaeth, fideos, lluniau a hanes un o chwareloedd enwocaf y byd, Chwarel Penrhyn.
Interested and fancy a go on the fastest and longest Zipwire in the Northern Hemisphere? Download the App to get all the essential information, videos, pictures and the history of Penrhyn Quarry in order to fulfil the full experience. The closest thing to flying!
Made in association with Menter Mons APPrentis scheme.