Cape Cod National Seashore, and some neighboring towns, require that pets be leashed at all times. Specific areas where pets are prohibited are posted. Ask at seashore visitor centers or ranger stations about restrictions that apply.
Here is a link to a brochure about Cape Cod National Seashore's pet policy.
Did You Know?
Cape Cod National Seashore is one of the most important nesting areas for the federally-threatened Piping Plover. Abundant in the 19th century, the beach-nesting Piping Plover declined in the 20th century, but have begun to recover as a result of active protection and visitor education.