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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

Caving With Carl – Lechuguilla

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

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

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garrity cave: garrity cave photography and lidar extravaganza

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Lillyguard Cave: Caving Safely & Softly at Lillyguard

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Devils chimney/ sweet grass wind hole: Devils chimney on the winter solstice

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Silvertip Cave System: Silvertip Expedition Report 2023

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Sistema Cheve: Big Days in Big Caves

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Great Expectations Cave: Great Expectations Aid Climbs

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Breaking the Ice Cave Curse: the Whittles Finish a Journey of 60 Years

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North Tetons, Owl Creek area: Ridgewalking in the North Tetons/Owl Creek area

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Titan: Under the [Ancient] Sea

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Poia Lake Cave: A 9 to 5 Job

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Little mountain: Waking the titan

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Refrigerator Canyon: A homework trip turns into dozens of small caves and rock shelters

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Patterson Canyon Cave: Snow Excavation Yields Unimpressive Results

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AGM: Ultimate Cavers’ Are Born Here

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AGM Ultimate Caver Challenge: The best team effort

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Horsethief Cave: Horsethief or SMC, which key is it?!

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Helena Montana: Grotto fun

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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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