Natural Resources Wales has also proposed 12 areas of the Welsh Government Woodland Estate which will join the network, adding nearly 24,000 hectares.
Mae Cyfoeth Naturiol Cymru hefyd wedi cynnig 12 ardal o Ystâd Goetir Llywodraeth Cymru a fydd yn ymuno â'r rhwydwaith, gan ychwanegu bron i 24,000 hectar.