Pierson Ranch Recreation Area, nestled downstream from Gavins Point Dam near Yankton, is a U.S. Army Corps-managed gem featuring 67 campsites and 2 camper cabins along the scenic Lake Yankton and Missouri River. Open year-round, the campground offers access to swimming beaches, fishing, boating, and multi-use hiking paths. Each site includes 20-amp electric and water hookups, a picnic table, and fire ring, with ADA-accessible options and tent-friendly spaces. A convenient boat ramp and recycling stations support easy access for water recreation and responsible camping. Facilities include a dump station (no additional fee), restrooms, and showers. Standard nightly rates hover around $20–25, with no discounted long-term pricing and a 90-day maximum stay. Reservations and camping permits are required. The peaceful natural setting, surrounded by gentle waves and tall trees, makes it an ideal base for families or anglers looking to explore the Missouri River environs. Though lacking luxuries like Wi-Fi or cable TV, Pierson Ranch delivers on outdoor simplicity — bring your gear, launch your boat, and unwind lakeside beneath wide-open South Dakota skies.