The channel has been re-engineered to replicate its original route, a process known as re-wiggling, which sees more natural curvature reintroduced to better follow the contours of the land.
Mae'r sianel wedi'i hail-beiriannu i efelychu ei llwybr gwreiddiol, proses a elwir yn ailystumio, sy'n ailgyflwyno crymedd mwy naturiol i ddilyn cyfuchliniau'r tir yn well.