Nestled high in the prestigious foothills of North Glendora, this expansive 10.41-acre estate represents a premier development opportunity comprised of three contiguous parcels. This "blank canvas" offers a rare blend of absolute privacy and rugged natural beauty, featuring a diverse terrain of rolling hillsides and large, flat buildable pads perfectly suited for a world-class private compound or a luxury subdivision. The property is a true sanctuary for the outdoor and equestrian enthusiast, boasting historical infrastructure for five horse stalls, a tack room, and a pasture, all with immediate access to the region's renowned hiking and riding trails. From its elevated canyon position, the site commands breathtaking 360-degree panoramic views that stretch from the dramatic peaks of the San Gabriel Mountains to the glittering city lights of the valley floor below. Whether reimagining the grounds to include a grand manor, a modern stable complex, or a collection of custom estates, this property offers unmatched location and potential within the acclaimed Glendora Unified School District, providing a secluded rural lifestyle just minutes from modern suburban amenities.