On Mount Vernon Street right along Louisburg Square, this quintessential Beacon Hill townhouse admires a sublime wide-open viewpoint centered on the illustrious Square’s picturesque park. Now meticulously restored and renovated, this rare gem is featured in the book “Beacon Hill: A Living Portrait” and also highlights an idyllic private garden which was on the Hidden Gardens of Beacon Hill tour. Beauty and grace infuse this understatedly elegant home spanning the centuries with everlasting appeal. Refined moldings and 7 fireplaces add to the inviting ambiance, and large light-filled windows capture glorious leafy views front-to-back. Ideal entertaining spaces include the exquisite double parlors, bar room accessing the deck, and splendid dining room by the 40±-ft. terrace. Skillfully renovated kitchen. Handsome library, 2 offices. Serene primary suite with wardrobe room and luxe onyx bath. Elevator to all levels including full-height basement. Access to Acorn Street for brief parking.