Welcome to 103 High Sierra, a mesmerizing home situated on a private 3.34-acre hilltop retreat in Deep Hollow. NEWLY RENOVATED, this extraordinary 3,310 sq. ft. home with 4 br, 3.5 baths and dual level patios showcases stunning hill country views. Designed to capture panoramic Texas sunrises and sunsets, the property offers exceptional privacy harmonized to its tranquil surroundings. Custom-built by Robert S. Thornton (Great Homes), a boutique builder known for energy efficient construction and quality craftsmanship, this home stands apart from typical production builds with high-grade insulation and thoughtful architectural design. The interior is bright and open, featuring expansive windows, a floor to ceiling stone fireplace, Quartzite countertops, a gas cooktop, and a striking copper sink that adds warmth and character. The master bedroom is conveniently located on the main floor, with dual walk-in closets and a spa-inspired bathroom with double vanities, oversize whirlpool tub, and separate shower. A second-floor flex room with its own entrance offers ideal space for a home office, guest suite, gym, or private retreat. Outdoors, enjoy a resort-style oasis with a beautifully landscaped fenced area and spacious property beyond. The hillside pool and hot tub, frequented by cooling breezes, is perfect for entertaining or relaxing under the stars. NO HOA, along with a private well and septic system provide independence and lower utility costs. Located just minutes from historic Boerne, this property combines serenity with accessibility. This home offers a true Texas Hill Country Lifestyle.