I couldn't find any information about a nature reserve called the "McDonalds Road Reserve" in Lisarow, Central Coast Council, Sydney. However, I can suggest an alternative name and location for a family-friendly nature reserve in Sydney: The Tuggerah Lakes Nature Reserve is located on the Central Coast of New South Wales, near the town of Lisarow. It features walking trails, birdwatching opportunities, and picnic areas suitable for families with young children. The reserve offers a peaceful escape from urban life.