Onion Creek Ranch offers 73.3 ag-exempt acres in Mason County with a rare blend of historic character and versatile improvements. The 1886 German limestone home stands as a 1.5-story centerpiece, set alongside a traditional dry-stack rock fence and windmill. Nearby, a thoughtfully designed modern compound includes five structures: two bunk cottages with built-in bunks, sinks, and mini-fridges; a bathhouse with two full baths and a kitchenette; a third bunk room with a half bath; and a spacious kitchen pavilion featuring vaulted ceilings, dining space, and a loft. A versatile laundry/mechanical room and a barn complete the improvements. The property boasts cohesive finishes throughout, including concrete floors and custom cabinetry. Rolling terrain, spanning approximately 1,820–1,940 ft in elevation, provides scenic outdoor areas, hiking trails, and hunting opportunities. Located 28.5 miles from Fredericksburg and 20.8 miles from Harper, this rare property combines privacy, recreation, and long-term potential.