Muddy Run Campground, a privately owned facility by Exelon/Constellation, is nestled on the shores of a 100‑acre reservoir in Lancaster County, PA. With 189 campsites 148 full RV sites with electric (30/50 amp) and water hookups, 38 tent‑only sites, and 3 primitive group areas it accommodates families, tent campers, and big rigs comfortably. Sites include paved concrete pads, picnic tables, fire rings, and charcoal grills. Although sewer hookups are not available at individual sites, two dump stations on site allow convenient disposal for $15 per use. Campers can enjoy comfort and convenience with modern bathhouses (including accessible facilities), coin‑operated laundry, a snack bar/general store, and free Wi‑Fi throughout the campground. Recreational offerings are plentiful: a splash pad for kids, multiple playgrounds, disc golf, fishing in the stocked reservoir, boat and kayak/canoe rentals, hiking trails, and events at the onsite Ryan Observatory. Pets are welcome on leashes, and fires are permitted in rings only. Long‑term rates are available: weekly and monthly discounts apply. The campground is open seasonally, typically spring through fall, while the surrounding 700-acre park is open year‑round. Muddy Run delivers a well‑rounded camping experience combining amenities, recreation, and scenic waterfront access.