Over 8,000 new native trees and shrubs and 12,000 metres of hedgerows have been planted for the benefit of wildlife and to improve the attractiveness of routes.
Mae mwy nag 8,000 o goed a llwyni brodorol newydd a 12,000 metr o wrychoedd wedi’u plannu er budd bywyd gwyllt ac er mwyn gwneud y llwybrau’n fwy deniadol.