Spectacular, one-of-a-kind property, nestled in the prestigious guard gated community "The Country". This beautiful home offers approximately 3042 SF of living space, consisting of 5 bedrooms, including a one-second master bedroom on the first level and 3.5 bathrooms. An enormous large lot offers a panoramic open view of the city and mountains valley at both the front and back of the house, measuring approximately 2.6 acres, offering the potential for further expansion into an 11,000 SF estate! Upon entering the living room, you are greeted with high ceilings, a cozy living room with a stone fireplace, a private dining room, a large family room connected to the kitchen, and a wet bar with a fireplace, this is a perfect area for entertaining your guest and family gathering. The upstairs master bedroom features a private balcony to enjoy a spectacular view of the mountain and city views. The master bathroom offers a double sink, a large bathtub, and a separate shower as well as a walk-in closet. All other bedroom has generous space with a balcony, looking over spectacular views. With a fenced pool and a playground, the backyard offers flat and level usable land. This beautiful home is located in the heart of Diamond Bar City, an excellent school district, and is convenient to the shopping center, market, restaurant, and freeway access. Don't let this hard-to-find property go away from you.