Rock Walls

Rock Walls

These Unique Rock Walls are the foundation of the Promontory Ranch Club brand …..
I’m Robin Milne, and I invite you to join my journey in and around Promontory Ranch Club in Park City, Utah.

Rock Walls

When you enter the Promontory Main Gate at Promontory Ranch Club at exit 150 off of I-80 East, the first thing you will see might be one of the most magical things about Promontory … the magnificent rock walls! The colors are rich and varied, and the large-scale of the boulders perfectly compliments the soaring canyon walls that greet you upon entry to this private luxury community, Promontory, The Ranch Club.
These terraced walls exist seemingly as nature might have arranged them. While clearly built by men, they appear to have been in place for millennia. But, there they are, winding up over 1.5 miles through almost 1,000 acres of the Promontory Conservancy, a preserve dedicated to wildlife and nature as you are welcomed into Promontory’s Main Entrance off of Interstate 80.

Back at the turn of the 21st century, when the Promontory Ranch Club was fist established, job-one was to cut the roads through the raw land. A rock quarry which had been used to provide the stone ballast for the Union Pacific Railroad’s rail-beds was bought out by Promontory, so that its infrastructure contractor, Ames Construction could mine the remaining stone from that quarry for use at Promontory. The colors are iconic Park City, Utah; gray, charcoal, white (calcium) and rusted iron ore, all of which combine to make a rich, striated rock that blends with all the varieties of soil found in the roughly 10 square miles of land that comprise Promontory.

Ames contracted Matt Price and his partner Crae to then build the walls. Each rock weighed as much as a car, so track-hoes were used to lift the boulders up and they were then guided into place by artisans who used the ‘dry-stack’ method to build a wall that formed into the native soil of the hillside. A fun fact is that Matt Price still builds homes in Promontory today!
The Promontory rock walls cost tens of millions of dollars to build and are signature icons of this amazing place. The art, the scale, the beauty and the quality of these walls tell any visitor to Promontory Ranch Club, that Promontory is meant for those with big, dynastic visions, exquisite taste, and fine-living sensibilities.

Rock Walls

As the old railroad quarry played out, the last of the quarried rocks were used to complete the drive to the Nicklaus Golf Course and Club House which were completed in 2007 and 2015, respectively. So, the next time you are in or around Park City, Utah, I invite you to come and experience a breath-taking drive through Promontory (off I-80) and up through our canyons. Along the way, I hope you will marvel at the majestic Promontory rock walls, and know that they come from our authentic beginnings along the Union Pacific Railroad. If you would like a tour, please contact me, Robin Milne, at

Rock Walls
Promontory Park City UT

8758 N Promontory Ranch Rd
Park City, UT 84098





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