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The main island, enclosed between Grafton and Maclean by two branches of the Clarence River might be frequently flooded, but it's also the largest river island in the Southern Hemisphere at a mere 37 km².
Local town history museum with plenty of artifacts from the local area. They also host a community stall market on the second Saturday of each month.
From the lookout, a vantage point on Wharf Street, you can see some of the hundred or so islands within the Clarence River. It's a good spot to stop by if you want to break up a roadtrip.