Park Bulletin: How the Gap Formed (a basic explanation) more...
Park Bulletin: Advanced 18-stop Geology Tour of Mt. Tammany NJ more...
Did You Know?
... that a century before this recreation area was formed, the Delaware Water Gap was touted as a Wonder of the World, and drew vacationers via rail lines from Philadelphia and New York City. There were trails to stroll, verandas for viewing the gap, and a steamboat for moonlight cruises.
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