Moraine State Park

Venture into flora and fauna of Pennsylvania's Moraine State Park and uncover the hidden histories behind its natural treasures. About 20,000 years ago, the late Wisconsinan glaciation reached its maximum extent. Glacial deposits identify the moraine, or farthest area covered by the glacier. Muddy Creek was a north-flowing stream that was blocked by the south-advancing glacier, forming a huge lake that lasted until the glacier dam began to retreat. The lake rapidly drained, eventually expos...