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Don’t want to slip and fall off the mountain? There’s an app for that.

The app uses drone photos to create a 3D route guide and aims to replace cryptic notes that climbers have relied on for decades.

  • University of Calgary student Ben Pearman developed the ThreeTopo app using drone photography to create a 3D digital model of the 240-metre Red Shirt climbing route on Mount Yamnuska in Alberta.
  • After struggling with route finding on the sheer rock face, Pearman created the tool because navigating the terrain proved difficult. Climbers previously relied on cryptic, decades-old typewritten notes to guide their way.
  • Climber Miles Abesdris, 38, who tested the app, described trad climbing as "somewhat horrifying" at first. Pearman emphasized safety, saying, "I know a bunch of people who have had to be rescued by helicopter."
  • The ThreeTopo app enables one-handed navigation during climbs, providing specific guidance at safe points. Users receive instructions like, "You'll want to start traversing left from the anchor," helping climbers maintain their route.
  • Pearman intends to release ThreeTopo publicly and hopes other climbers will contribute data for popular North American routes from B.C. to Nevada, making the sport safer through expanded navigation coverage.
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9 Articles

City NewsCity News
+2 Reposted by 2 other sources
Center

Don't want to slip and fall off the mountain? There's an app for that.

CALGARY — When clinging to the side of a rock wall hundreds of metres in the sky, avoiding a single misstep can save your life.

·Toronto, Canada
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The Toronto StarThe Toronto Star
+4 Reposted by 4 other sources
Lean Left

Don’t want to slip and fall off the mountain? There’s an app for that.

CALGARY - When clinging to the side of a rock wall hundreds of metres in the sky, avoiding a single misstep can save your life.

·Toronto, Canada
Read Full Article
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The Toronto Star broke the news in Toronto, Canada on Sunday, September 6, 2026.
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