Williamsport, MD

Welcome to Jellystone Park™ Williamsport, an award-winning Maryland camping destination featuring an exciting water park! Nestled along Maryland's western scenic foothills, our premier RV resort offers spacious sites perfect for your family adventure. Experience our outstanding water attractions including the thrilling Water Zone, exhilarating 400-foot water slides, and relaxing lazy river. Beyond water fun, challenge yourself on our ninja course, enjoy a round of mini golf, or soar high on our jumping pillow & pad. After days filled with activities and Yogi Bear™ character interactions, return to your comfortable RV site to unwind and plan tomorrow's adventures. Strategically located near Washington D.C., historic Antietam National Battlefield, and the breathtaking Appalachian Trail, we're the perfect "home-base" for exploring the region's attractions while enjoying resort-style amenities. Book your RV getaway with just 50% down on all future reservations, giving you s'more flexibility! Come discover why we're recognized as one of Maryland's premier family campgrounds—it's not just a campground, it's Jellystone Park™!