The area surrounding Narooma is studded with incredible National Parks. Most adjacent are Gulaga National Park, including a designated summit walking track accessible from Tilba Tilba, Eurobodalla National Park extends throughout the shire at various points along the Eurobodalla coastline, including around Mystery Bay and areas north of Narooma. But there are many more both north and south, please investigate at http://eurobodallacoast.com/nationalparks.html and https://www.sapphirecoast.com.au/nature/national-parks/.