New 400 Horses Casino Opens May 5 at 100 Irvine Flats Road

New 400 Horses Casino Opens May 5 at 100 Irvine Flats Road

Amanda Wright

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Amanda Wright

The air buzzed with a quiet reverence last Tuesday, May 5, as tribal elders, Kootenai, Pend d’Oreille, and Salish, took their seats facing west. Before them, a new landmark rose at 100 Irvine Flats Road: the 35,000-square-foot 400 Horses casino, its massive form echoing the sacred teepee, oriented purposefully towards the sunrise. At the podium, Sheila Matt, principal operating officer of S&K Gaming LLC, stood resplendent in a ribbon skirt, her words cutting through the anticipation to thank the elders she called “the backbone of our tribe.” This wasn't merely the grand opening of another entertainment venue; it was a potent act of cultural reclamation and economic self-determination, launched on a day dedicated to Missing and Murdered Indigenous People, signaling a deeper narrative unfolding in the heart of the Flathead Reservation.

A Structure Forged from History and Hope

The very name, 400 Horses, is a living tribute, honoring Chief Alexander, or Chief 400 Horses, a revered Pend d’Oreille leader known for his vast herd and extraordinary bravery in battle. He was one of the signatories of the pivotal Hellgate Treaty on July 16, 1855, an event that shaped the destiny of the region. To underscore this profound connection, Elder Stephen Small Salmon, a fluent Salish speaker and the oldest living descendant of Chief Alexander, traveled from near Ronan to offer a prayer, sing, and play his hand drum. “Today, to be here is an honor for me to speak for him,” Small Salmon declared, his voice carrying the weight of generations. This building, home to more than 300 gambling machines and the 371 Bar and Grill (named for the deepest part of Flathead Lake), is meticulously designed to reflect and perpetuate tribal heritage, rather than merely house a commercial enterprise.

Beyond the Machines: An Economic Engine for Sovereignty

While the flashing lights and gaming tables might capture immediate attention, the true significance of 400 Horses lies far beyond its entertainment value. “Tribal gaming is about much more than entertainment,” affirmed David Bean, chair of the Indian Gaming Association, who was present to celebrate with the Tribes. He articulated a vision where such ventures are a crucial pathway to “advance economic independence for tribal nations.” S&K Gaming CEO Byron Miller echoed this sentiment in earlier reporting, stating, "It's not about gaming — it's another asset for the tribe to generate revenue to support membership and provide support back to the tribes.” This isn't just rhetoric; it translates into tangible economic impact. According to Matt, gaming already employs over 200 people across the Flathead Reservation, with the new 400 Horses facility adding a significant 70 new jobs to the local economy. Moreover, the Confederated Salish and Kootenai Tribes anticipates that over $1 million will flow directly back to its members, alongside additional donations earmarked for vital reservation organizations like local fire departments and charities.

Weaving Heritage into Modern Enterprise

The opening of 400 Horses was a testament to meticulous planning and profound collaboration. Matt highlighted the "scramble" involved in getting the facility ready, praising Miller for uniting the team and acknowledging the tireless efforts of the Confederated Salish and Kootenai Tribal Council and S&K Gaming board members. Support also poured in from sister properties, with teams from Gray Wolf Peak Casino in Evaro, the Kwataqnuk Resort and Casino in Polson, and the Big Arm Resort and Casino jumping in to assist with machine installation and final touches. This collective spirit extends to the very fabric of the building itself. Marie Torosian, director of Three Chiefs Culture Center, proudly detailed the tribal artifacts on display within 400 Horses and a Kootenai canoe currently being carved for the building, ensuring that the casino serves as a vibrant cultural beacon. The careful integration of design, purpose, and community involvement, as reported by the Leader Advertiser, makes it clear this isn't just about business; it’s about sustaining a living culture and a thriving community leaderadvertiser.com/news/2026/may/14/new-400-horses-casino-about-more-than-entertainment/.

The launch of 400 Horses marks a significant moment for the Confederated Salish and Kootenai Tribes, showcasing how tribal enterprises are redefining the concept of "entertainment." It’s a powerful model for how cultural preservation and economic advancement can coalesce, creating opportunities that directly benefit tribal members and local communities. As the revenue generated from 400 Horses begins to circulate through the Flathead Reservation, supporting families, creating jobs, and funding essential services, it will serve as a tangible measure of the enduring strength and self-determination of Indigenous nations, demonstrating the profound impact when cultural identity is woven into the fabric of modern industry en.wikipedia.org/wiki/Confederated_Salish_and_Kootenai_Tribes_of_the_Flathead_Nation.

Earlier on this story

Our prior reporting on the people, places, and policies in this piece.

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Amanda Wright

About the Author

Amanda Wright

Amanda Wright writes about culture from Austin — film, music, the occasional sports moment that becomes a culture moment. She left a magazine job for OwlyTimes because she wanted to file faster than monthly. Drafts read like a friend's text; the reporting is the slow part.

This article is based on reporting from the original source. OwlyTimes editors verified facts and added independent context.

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