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- Big Horn Ranch is a 302-acre equestrian estate in Somerset, Amador County, listed for.
- Property includes a 4,750-square-foot main house, an over 8,000-square-foot 16-stall.
- Ranch includes a half-mile private stretch of Cosumnes River with exposed granite slabs.
Rolling hills and a rare slice of Cosumnes River frontage set the stage for a sprawling equestrian estate now on the market for nearly $5.5 million in Somerset, a rural community east of Sacramento in El Dorado County.
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The 302-acre property, known as Big Horn Ranch, is a luxury ranch estate built around a custom home, a large horse barn and riding facilities, plus a guesthouse and additional outbuildings. The property is a blend of high-end finishes and backcountry recreation, with miles of private trails and water features that aim to make the land feel like its own getaway.
“Big Horn Ranch is well-suited for a serious equestrian buyer, a high-net-worth individual looking for a rural country estate or a family in search of a weekend compound to escape to,” listing agent Bruce Renfrew of California Outdoor Properties said in an email. “For the right buyer, this offers a no-compromise property with attention to every detail.”
At the center is a 4,750-square-foot main house with three en suite bedrooms, an office and entertainment spaces that include a billiard room and a movie theater designed to keep sound where it belongs. Renfrew said the home’s layout makes it live smaller than its footprint.
“The main house features three en suite bedrooms with beautiful custom built-in cabinetry and exquisite stone and tile work in each bathroom,” Renfrew said. “The main level is a very comfortable space that makes the residence’s 5,000 square feet feel much more intimate, and the lower level features a movie theater that’s base-isolated from the structure and equipped with soundproof doors.”
Outside, the home opens to a resort-style pool and gathering area that leans into the ranch’s geology. Massive boulders and rock formations — quarried on the property — frame the pool and help tie the backyard to the wider landscape.
“The swimming pool area offers stunning views, and is landscaped with large boulders quarried off of the property itself,” Renfrew said. “There’s also a large smoker, built-in barbecue and outdoor fireplace to really extend its purpose for entertainment — the owner has hosted parties with over 100 people very comfortably.”
The equestrian infrastructure is the listing’s headline feature: A 16-stall barn with extensive support spaces, a covered riding arena and a round pen. The barn is framed as “premier training operations,” with Brazilian hardwood finishes, tack rooms, a vet room, grain room, wash areas and other amenities meant to streamline daily care, according to the official property description.
Renfrew offered more specifics on how the barn is set up for breeding and training, including foaling stalls and climate features that hint at year-round use.
“The over 8,000-square-foot horse barn is thoughtfully designed with six large foaling stalls, each with heaters and cameras, and 10 more stalls that are 12 feet by 14 feet, all with high-end European-style stall doors, Brazilian hardwood, padded and sealed rubber flooring, and automatic waterers,” he said. “There’s also a large office, full bathroom with stone shower, two tack rooms, a vet lab room and multiple cross-tie and wash rack areas.”
For riders, the covered arena is described as lit and irrigated, with specialized footing designed to perform in different seasons. Renfrew said the arena includes a mirrored wall, a tool used for training and form.
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“The 90-by-120-foot covered arena is lighted and irrigated, and features a mirrored wall at one end,” he said. “The footing is highly engineered, with a rubber mat base under German Geo Textile footing.”
GGT is a premium blend of shredded polyester fabrics and fibers that are mixed directly into equestrian arena sand to create a shock-absorbing, slip-resistant, and moisture-retaining surface.
Beyond the buildings, the ranch is marketed as a private playground, with trails that cross rolling terrain and lead down to the Cosumnes River.
“Miles of riding and hiking trails cross the ranch, too, leading to a private section of the Cosumnes River with granite slabs, waterfalls and pools that are perfect for swimming or fishing,” Renfrew said.
The official description highlights “a remarkable half-mile stretch” of river featuring exposed granite slabs, waterfalls and “crystal-clear swimming holes.” Two large ponds add more water access on the property, along with multiple fenced pastures supplied with water.
Other structures include a two-bedroom guest house situated above a four-car garage, along with a large shop building. The listing also touts infrastructure designed to reduce dependence on the grid, including solar power and backup generation, plus geothermal technology for radiant floor heating.
Renfrew said the ranch’s behind-the-scenes buildout matches the luxury pitch, citing underground utilities and connectivity that reaches the main home, guest house and barn.
“Utilities are underground, as are fiber optics running to the main house, guest house and horse barn, and the main house is heated and cooled by an energy-efficient geothermal system,” he said. “The property also has solar and emergency generator backup.”
Public property records show Big Horn Ranch ownership listed as a trust, and identify Jack Randall and Suzanne Punch-Randall as the primary owners.
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Suzanne Punch-Randall is involved in horse breeding and competition.