The River, the Valley, and You. Paddlers slip down the river between low forested mountains; anglers wade the trout streams; hikers scan the valley from the ridge or peer into the 1000-foot-deep Water Gap. The valley has known human hand and voice for 10,000 years. Floodplains nourished the Native farmer; waterfalls drew the Victorian vacationer. Today, a 70,000-acre park welcomes those who seek the outdoors close to home. Read More.