Welcome to 323 Hidden River Road in desirable Penn Valley - a spacious and beautifully maintained 5-bedroom, 3.5-bathroom home nestled on a private 1.23-acre lot in the award-winning Lower Merion School District. With over 4,100 sq ft of living space, this home offers the perfect blend of comfort, style, and function. A foyer with skylights warmly greets you upon entry, leading into a bright formal living room featuring soaring vaulted ceilings. A striking stone fireplace anchors the elegant formal dining room and connects seamlessly to the eat-in kitchen, complete with a breakfast area and convenient access to the back deck. Upstairs, the expansive primary suite includes two closets and a full ensuite bath. Three additional bedrooms and a full hall bath with double vanity and tub complete the upper level. Down a few steps adds incredible flexibility with a spacious family room with fireplace, two bonus rooms ideal for a 5th bedroom, home office, or gym, plus a full bathroom, half bathroom, mudroom with laundry and outside access, and abundant storage throughout. Step outside to a large back deck overlooking the level backyard - perfect for entertaining, play, or simply enjoying the natural surroundings. Ideally located near major roadways for an easy commute to Center City, and just minutes from shopping, dining, and recreation. Don't miss this exceptional opportunity to own a move-in-ready home in one of the Main Line's most sought-after neighborhoods!