Macquarie Pass National Park - Macquarie Pass National Park is part of the Illawarra escarpment south of Sydney. It contains a diverse range of habitats and wildlife including several rare and threatened plant and animal species.

Marramarra National Park - Marramarra National Park is a great place to go canoeing, camping, bushwalking, picnicking or birdwatching.

Mebbin National Park - Mebbin shares its western boundary with Border Ranges National Park and forms part of the rim of the Mt Warning volcano.

Meroo National Park - A wide variety of forest types, including spotted gum, adjoin the largely natural Tabourie, Burill, Termeil and Meroo coastal lakes.

Middle Brother National Park - This small national park protects Benaroon and the Bird Tree, two of the largest blackbutt trees in NSW.

Mimosa Rocks National Park - Natural volcanic sculptures appear everywhere among the rugged coastal headlands, cliffs and rock stacks.

Mount Imlay National Park - The top of Mt Imlay offers great views of the coast and forest, and the summit area supports a population of extremely rare Eucalyptus imlayensis.

Mount Kaputar National Park - Mt Kaputar National Park is a rugged island of wilderness, towering high above the surrounding Western Plains.

Mount Royal National Park - Mount Royal National Park is adjacent to the south-western edge of Barrington Tops National Park and contains part of the Barrington Tops Wilderness Area.

Mummel Gulf National Park - The ancient old-growth forests of this park cling to the edge of the Great Escarpment, which drops from 1450m down to 470m.

Mungo National Park - The Willandra Lakes World Heritage area, with Mungo National Park at its centre, maintains a continuous record of human occupation stretching back well over 40,000 years.

Murramarang National Park - This park features beaches, rock platforms, spotted gum forests and rainforest gullies, surrounding the beautiful Durras Lake.

Myall Lakes National Park - One of the state's largest coastal lake systems - a Ramsar Wetland of International Significance - and 40 kilometres of beaches and rolling sand dunes make Myall Lakes one of the most visited parks in NSW.