Spectacular Hillside Opportunity in Sierra Madre!Build your dream home on this rare 26.28-acre (1,144,704 sq ft) elevated horseshoe-shaped lot surrounding the Carter Debris Basin, just steps from the Mt. Wilson Trailhead. This exceptional parcel offers unmatched privacy, panoramic mountain and valley views, and endless design potential in one of the San Gabriel Valley's most desirable foothill communities.Zoned SRR1-CUP (Single-Family Residential), the property provides a unique opportunity to create a custom estate that blends modern comfort with natural beauty. Enjoy the tranquility of the mountains while being minutes from Downtown Sierra Madre's shops, cafs, and parks.Located within the Pasadena Unified School District, this expansive lot combines the best of nature, convenience, and possibility. Don't miss this once-in-a-lifetime chance to build in the heart of Sierra Madre's mountain foothills.