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About This Podcast
Australian trekker Eric Robinson loved to hike. He had a passion for walking in the wilderness, sometimes spending weeks alone in the outdoors. Until one time, he didn’t come home. Eric vanished into a mountain range that has a habit of swallowing people.
Uinta Triangle tells the story of the desperate search for Eric Robinson. Host Dave Cawley (journalist and creator of the hit true crime series COLD) follows in Eric’s footsteps. And he joins Eric’s wife, Marilyn Koolstra, in her worldwide hunt for answers about her missing husband.
Uinta Triangle is an immersive story of investigation and adventure. It’s also an exploration of how far any of us are willing to go for the people and the places we love.
Created and Produced by KSL Podcasts
Sales and Distribution by Lemonada Media https://lemonadamedia.com/
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Recent Episodes
Listen Now: Stolen Voices of Dole Valley
We’re excited to share a new podcast from Lemonada Media: Stolen Voices of Dole Valley, a nine-part series about survival, injustice, and the fight for answers. It’s the story of a predator you’ve…
S1E9 Robinson’s Rest
EPISODE 9 -- Marilyn Koolstra embarks on an unexpected pilgrimage to the place where her husband, Eric Robinson, lost his life in the Uinta Mountains. The journey into the wilderness tests her…
S1E8 A Picture’s Worth
EPISODE 8 -- Eric Robinson took 77 photographs on his last hike. Those images, recovered with Eric’s remains in 2016, tell the story of what he experienced on the Uinta Highline Trail. They also…
S1E7 Ruby
EPISODE 7 -- Marilyn Koolstra returns home to Australia without any answers about what happened to her missing husband, Eric Robinson. As months turn to years, she’s forced to accept the awful…
S1E6 Dead Reckoning
EPISODE 6 -- The last glimmers of hope fade as the search for Eric Robinson enters its final stage. The Duchesne County sheriff, running out of time and money, makes one last push to find him.…
S1E5 Business Casual of the Backcountry
EPISODE 5 -- As news coverage of the search for Eric Robinson spreads, a Boy Scout leader tells of spotting Eric far off the Uinta Highline Trail. This encounter along Yellowstone Creek raises…
S1E4 No Trace
EPISODE 4 -- The wife of missing trekker Eric Robinson flies halfway around the world, from Australia to Utah, in search of her husband. A rural sheriff struggles to organize an effective rescue…
S1E3 The Tyranny of Distance
EPISODE 3 -- Eric Robinson doesn’t show up at the end of the Uinta Highline Trail. Eric’s friend reports him missing, kicking off a search-and-rescue mission. Marilyn Koolstra, meanwhile, feels…
S1E2 Aspiring
EPISODE 2 -- Eric Robinson forges a new friendship on the John Muir Trail, while an old friendship frays under stresses of the trail. From the High Sierra to the Himalaya, Eric’s aspirations in the…
S1E1 Overdue
EPISODE 1 -- Eric Robinson wanted to hike the world’s greatest trails. He was happiest when spending weeks in the wild, and he often went out alone. Eric’s wife, Marilyn Koolstra, supported him in…
What Happened to Eric Robinson?
An Aussie who loves hiking solo goes missing in the rugged mountains of the American West. Dave Cawley, the investigator behind the podcast COLD, heads into the wild to answer the question: What…
Frequently Asked Questions
Uinta Triangle has published 11 episodes since May 2025, covering topics in Society & Culture.
Uinta Triangle is currently dormant with new episodes weekly. Average episode length is 1h 5m.
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