Tucked into the Blue Ridge Mountains of Shenandoah National Park near Sperryville, Virginia, the Piney River is a string of clear, cool swimming holes that reward hikers willing to head off the beaten path. Fed by mountain streams and shaped by the ancient bedrock of the Blue Ridge, the river carves a series of natural pools, chutes, and small cascades — an old-fashioned, crystal-clear mountain swim a world away from the summer crowds.

The swimming holes are reached on foot via the Piney Branch Trail, which drops from Skyline Drive (near milepost 22) down along the Piney River. As you follow the trail downstream, the water widens at several spots into pools deep enough for a refreshing dip, including a lovely one at the base of a small waterfall. The trail crosses the river at several points over uneven, rocky terrain, so sturdy footwear you don't mind getting wet is essential.

It's a quintessential Shenandoah experience: a moderate hike through a dense Appalachian canopy, the sound of running water the whole way, and the payoff of cool, clear pools tucked beneath the trees. The deeper you go, the more solitude you'll tend to find, so it's worth exploring a bit to discover your own favorite spot along the river.

Summer is prime swimming season, while spring brings stronger flows and the fullest waterfalls. Come prepared for a national-park backcountry outing: bring plenty of water, wear shoes with good grip for slick rock and river crossings, watch the weather since mountain streams can rise quickly after rain, and pack out everything you bring in. As the closest town to the park's eastern side, Sperryville makes a convenient base for lodging, dining, and supplies.

For a quiet, scenic, and genuinely refreshing escape, the swimming holes of the Piney River are one of Shenandoah's best-kept summer secrets.