What began as a summertime gig for three ski buddies has become a cornerstone of Northwest Montana’s adventure industry. This year, Glacier Raft Co. is celebrating 50 years of unforgettable Flathead River experiences. Along the way, they’ve made countless friends and memories while working toward a future where protected rivers run forever wild.
In the summer of 1976, three Alta ski patrollers were looking for something to do while they awaited winter’s return. Darwon Stoneman, Onno Wieringa and Billy Hoffman gathered the necessary gear and permits, and Glacier Raft Co. was born. Sally Thompson joined the team a few years later, and their operation became less a way to pass the summers and more a community mainstay. They welcomed guides and guests from all over the world and were pleased to see many of them return year after year.

Looking back on five decades of work and play in West Glacier, everyone remembers the same highlight: the people. Onno remembers the “infectious, fun atmosphere,” Darwon is proud that the experience made “a big difference in so many lives,” and Sally sums it up, saying it was an “honor having young people work — not for us — but with us.” These leaders gained confidence on the river and in the office at the same time that they instilled confidence and leadership skills in their team.
This sentiment remains foundational in Glacier Raft Co.’s operations. “I like our guides to think of themselves as three things,” says River Operations Manager Jon Clausen. “Experts, leaders and stewards.” Guides are still leading trips with purpose 50 years later, and it’s impacting everyone who’s along for the ride.
When Glacier Raft Co. opened in 1976, another significant milestone took place on the Flathead River. A total of 219 miles of the Middle, North and South Forks were designated under the Wild & Scenic Rivers Act. For a half century, Glacier Raft Co. has had a first-hand view of the efforts preserving the river’s natural, free-flowing state. They’ve witnessed how it benefits today’s guests and the potential it holds for the future.
Operating within a designated river system also provides myriad opportunities to collaborate with other organizations and businesses. Glacier Raft Co. works closely with Flathead Rivers Alliance, American Rivers, and other West Glacier outfitters. Through cooperative events, fundraisers and trainings, stewardship is integrated across operations.

Ryan Callaghan, former guide and current president of Backcountry Hunters & Anglers notes how effective raft trips are at “tying people to the landscape.” Glacier Raft Co.’s Outfitter of Record, Hilary Hutcheson sees the impact every day. “People come out here and suddenly you can see the transformation in front of your eyes,” she says. The river’s designation helps ensure this experience is available for generations to come.
The world has changed a lot in 50 years, but many things on the Flathead River are the same. Thanks in large part to the river’s designation and the stewardship efforts of outfitters like Glacier Raft Co., the watershed is one of the clearest and cleanest in North America and the wild and native fish populations are thriving. Brand new guides arrive each spring to learn the ropes and carry on the legacy started by those ski patrollers long ago. And many have stuck around over the years, too. Jessica Cassida, Glacier Park Collection retail director, started “working” at three years old while her dad Mike Cooney, now general manager, was guiding. You’ll also find Ian Hislop leading trips every summer; he’s the first third-generation raft guide on the team.
Stewardship, respect and community are at the heart of Glacier Raft Co.’s operations. That was true in 1976, and it remains true today — people arrive at Glacier Raft Co. seeking adventure and leave with much more. The Flathead River stays with them for the rest of their lives, and those memories become a lasting motivation to keep the adventure going well into the future.

Just as Darwon, Onno and Sally forged something special on the river, new memories are still being made today. They’re shaped by adventure, connection and respect for the Flathead. Here’s to 50 years of Glacier Raft Co. — and to the experiences yet to come.

About the Author
Sarah Ericson is a writer based in northwest Montana, where you’ll often find her walking, biking or skiing in the woods, floating down rivers or sitting in her garden. She is an associate editor for Whitefish Review and she’s always looking for new places to explore — both on the page and in real life.