Lawrence Island in Bourne’s village of Cataumet doesn’t require you to have a boat to explore it. You can easily walk to the island via a path at the end of Grasslands Lane. In total, the hike is an easy 2 miles.
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Pine Barrens and Red Brook at the Lyman Reserve, Plymouth, MA
The Lyman Reserve on the Plymouth/Wareham/Bourne line offers an opportunity to escape summer Cape traffic.