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Northern Rocky Mountain Grotto

Caving in North America's Rocky Mountains and the World

Northern Rocky Mountain Grotto
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Trip Reports

Dos Arboles, Quintana Roo, Mexico: I Is A Boat

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Lime Creek Caving, Colorado

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Snakeskin Cave, Quintana Roo, Mexico: Duarte’s Drug Castle Jungle Adventure

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Billings Gazette Article, September 25, 1960: Interesting Read On Spelunker Techniques

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Dos Arboles, Quintana Roo, Mexico: Zen Water Garden

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Ruta de los Guerras, Quintana Roo, Mexico: Time for a swim!

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The Bear Sprayed Us: A Classic Bigfork Trip to Poia Lake

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Ruta de los Guerras, Quintana Roo, Mexico: Two Circles

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Another New Pit In Wyoming: Wyoming Is The Pits

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Bear Canyon: Beginner Vertical Practice

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Big Ole’ Greasy Nap in Millrace Cave

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Thunder Canyon Cave: San Diego Caving (Submission for free rope)

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Hella: Five Hours Hiking, Ten Minutes “Caving”

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Surveying in Paradise and Hand to Hand Raven Combat in Northern Norway

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Double Eagle: Hopefully a connection

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Reaching Volehalla (And Other Arctic Caves)

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Wyoming: New Pit Cave

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Willow Peak Cave

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Toeckes Cave

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Woodward’s Cave: Oh, Rats: No Bats in Woodward’s

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Recent Trip Reports

Caving With Carl – Lechuguilla

April 14, 2026
Ian, Ken, Ellen, Savannah and I went Caving with Carl in Lechuguilla. I have always …
The 2026 Bighorn-Horsethief Survey Season Is Here

The 2026 Bighorn-Horsethief Survey Season Is Here

April 14, 2026
After four years of project weekends, the Bighorn-Horsethief Cave (BHHT) Survey Project is entering its …

Lillyguard cave: Steep, Slick, and 30 Degrees: Battling Lilly Guard on Our …

November 17, 2025
Sunday, November 9th, 2025 By Rye Miller (18) and Cooper Striet (17) Cooper and I …

garrity cave,flint creek range: Garrity: Lidar, Camera, Action!

August 5, 2024
<span;>We all (Shawn Few, Mara Reed, Will Boekel, Demetrius, and Benjamin Bly) met at McDonald’s …

Future Events

  • Bighorn/Horsethief Survey – April Weekend
    • 04/25/2026 - 04/26/2026
  • Bighorn/Horsethief Survey - Memorial Day Weekend
    • 05/23/2026 - 05/25/2026
  • Bighorn/Horsethief Survey - June Weekend
    • 06/19/2026 - 06/21/2026
  • Bighorn/Horsethief Survey - Week-Long Summer Project
    • 08/09/2026 - 08/16/2026
  • Bighorn/Horsethief Survey - Fall Weekend (Tentative)
    • 10/10/2026 - 10/12/2026
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