It is a spectacular example of canal engineering in the late eighteenth and early nineteenth centuries, encompassing an architectural masterpiece in a dramatic landscape setting.
Mae'n enghraifft ysblennydd o beirianwaith camlesi diwedd y ddeunawfed ganrif a dechrau'r bedwaredd ganrif ar bymtheg ac yn gampwaith pensaernïol mewn tirwedd ddramatig.