Duncannon to Marysville is an 8-mile paddle on the Susquehanna River in central Pennsylvania, running from Duncannon downstream to Heritage Park in Marysville. This guided or self-guided float takes three to five hours depending on river levels, and it's the kind of trip that balances easy cruising with moments of river play. You'll pass the Susquehanna water gaps where the river cuts through folded Appalachian ridges, skim past low, rounded islands, and catch a playful set of waves near a roadside Statue of Liberty replica that always sparks a laugh. The scene alternates between broad, reflective channels and narrower cuts framed by steep shale and sandstone bluffs. Muskrat slides, stands of river birch and silver maple, and the occasional osprey clinging to a dead snag give the corridor a lived-in, wild feeling. Along the way the current nudges you past small gravel bars that make perfect lunch stops and quiet eddies where anglers cast for smallmouth bass. Outfitters on both ends keep the logistics simple: shuttle service drops you at the launch, and a final exit at Heritage Park means you end with a short walk through the Marysville tunnel to reclaim gear. Rental fleets typically include sit-in and sit-on-top kayaks plus solo and tandem canoes, so paddlers of different experience levels can find a comfortable boat. Children as young as six are welcome with adult supervision. This trip is a standout because it compresses a lot of river character into a single afternoon: easy stretches for relaxed paddling, short bursts of technical fun, island hopping options, and clear vistas that open to the ridgelines of the Appalachians. The route also serves as a practical gateway for visitors staying near Harrisburg or in small Perry County towns, offering a freshwater escape without a long drive. Plan for changing river conditions: spring flows can speed the trip and raise water levels, while late-summer conditions often mean slower current and exposed shoals. Leave no trace: pack out trash, avoid disturbing nesting birds, and be mindful of private land along some riverbanks. With wildflowers in season, migrating waterfowl passing overhead, and a stretch of quiet that feels far from urban life, the Duncannon to Marysville paddle is a genuine way to read the river and its history as you drift. Community-run outfitters on the banks often provide maps, a brief orientation, and loaned PFDs; confirm shuttle times and waiver procedures when you book. Bring water, a dry bag, and shoes you can wade in. For photographers, a polarizer tames glare and brings out river color. If you want a longer day, consider exploring nearby side channels or combining this paddle with a short hike on local ridgelines to round out a full day.