Arthur Blank, co-founder of Home Depot, is expanding his real estate portfolio in Montana by developing Auster at Dome Mountain, a public riverfront lodge near Yellowstone National Park. This project marks the 25th year since Blank first purchased a guest ranch in Montana and now includes four properties covering over 33,000 acres. The new resort features 20 year-round cabins, a main lodge, restaurant, rooftop bar, and retail market open to the public, all while maintaining environmental protection practices and reducing impact on the land.
Written locally by qwen2.5:14b on 2026-09-18,
using this article's own text rather than the other coverage of the
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Story summary
In 2001, Arthur Blank, co-founder of Home Depot and a prominent philanthropist, purchased his first Montana guest ranch, Mountain Sky Guest Ranch. Over the next 25 years, he expanded his real estate holdings in Paradise Valley to include three additional properties: West Creek Ranch, Paradise Valley Ranch, and Auster at Dome Mountain. His latest acquisition is a 6,000-acre riverfront property developed into Auster at Dome Mountain, featuring 20 year-round guest cabins, a main lodge, a restaurant, a rooftop bar, and a retail market open to the public. This expansion marks a shift from previous acquisitions used primarily for private stays and conservation work to more commercially-oriented ventures. Through his holding company AMB West, Blank's properties now span over 33,000 acres in Montana, reflecting his commitment to environmental preservation and honoring local history through responsible stewardship.
Written for “Arthur Blank's Montana Properties Growth” on 2026-10-04,
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Home Depot co-founder and billionaire philanthropist Arthur Blank is expanding his business presence in Montana with a new public riverfront lodge, 25 years after he bought his first guest ranch in the state.
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he → expand → state
Through his holding company AMB West, Blank has developed a 6,000-acre riverfront property in Paradise Valley into Auster at Dome Mountain.
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Blank → hold → Mountain
The resort sits along the Yellowstone River and includes 20 year-round guest cabins, a main lodge, a casual restaurant, a rooftop bar and a retail market that is open to the public.
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that → sit → public
The project marks a change for Blank, whose earlier ranch purchases in the area were mostly used for private family stays, company retreats, non-profit meetings and conservation work.
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purchases → mark → stays
25 years of growth in Paradise Valley
Blank entered Montana's real estate market in 2001 when he bought Mountain Sky Guest Ranch in Emigrant.
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he → enter → Emigrant
Over the next 25 years, the businessman bought three more properties in Paradise Valley, building a portfolio that now covers more than 33,000 acres of owned and leased land.
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that → buy → land
AMB West now manages four separate properties in the valley: Mountain Sky Guest Ranch, West Creek Ranch, Paradise Valley Ranch and Auster at Dome Mountain.
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West → manage → Mountain
Mountain Sky operates as a traditional luxury guest ranch.
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West Creek Ranch is mainly a private retreat and meeting place for non-profit groups supported by the Arthur M. Blank Family Foundation.
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Ranch → support → Foundation
Paradise Valley Ranch is mainly an agricultural operation, producing cattle and hay while following environmental protection practices.
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Ranch → produce → practices
According to company information on the official AMB West website, all four properties are managed under one system focused on protecting the land, conservation and involvement in the southwest Montana community.
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Blank acquired the land for Auster at Dome Mountain in December 2021, when AMB West bought the former Dome Mountain Ranch.
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The new resort was built mainly within the existing footprint of the old 1960s guest ranch to reduce the impact on the surrounding landscape.
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resort → build → landscape
Older guest cabins were moved and converted into housing for employees instead of being torn down.
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cabins → move → employees
According to project information from the Arthur M. Blank Family Foundation and AMB West, the new property stretches along four and a half miles of the Yellowstone River.
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property → accord → River
Guests can enjoy fishing, hiking, horseback riding and other outdoor activities.
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The name Auster comes from the Latin word for "south wind" and refers to the weather patterns that move through Paradise Valley.
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that → come → Valley
Company documents say the property was designed to be both a tourist destination and a public gathering place for local residents.
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property → say → residents
The public areas, including the restaurant, coffee shop and retail market, will operate throughout the year and can be used without a resort reservation.
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areas → include → reservation
Combining hospitality with wildlife protection
The expansion comes as private land purchases across Montana continue to raise questions about public wildlife access and the breaking up of natural habitats.
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purchases → combine → habitats
Paradise Valley is an important wildlife corridor for elk, grizzly bears, wolves and bighorn sheep moving out of Yellowstone National Park.
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AMB West says protecting the environment is a major focus of its properties.
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protecting → say → properties
Much of its 33,000-acre network is covered by conservation easements, which limit large-scale commercial development and protect important winter habitat for local elk herds.
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which → cover → herds
In official documents about the property's environmental goals, AMB West stated: "AMB West properties are dedicated to protecting the natural environment and honoring local history through responsible stewardship, ensuring the land and its resources are preserved for future generations."
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land → state → generations
Blank's foundation also uses the Montana properties for charitable programs.
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foundation → use → programs
The foundation runs AMB West Basecamp at Mountain Sky, offering free facilities and meeting space to local and regional non-profit organizations.
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foundation → run → organizations
Reservations for stays at Auster at Dome Mountain opened through the resort's official booking portal ahead of its first public operating season.
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The Aporia
