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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

AMG 2023: AMG we will win the challenge

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Lick creek cave: First lick creek trip of the year

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Froggs Fault Cave:BHS Trip

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Poia Lake Cave: Soaking from tears, not the pools.

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Mill Creek Crystal Cave: Big Birds on the East Fork

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Crystal cave: 2022 a cave odyssey.

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Poia Cave, Glacier National Park: Poia Cave’s Sketchy Downclimb – Glacier National Park, Montana

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Kathies icebox: Enlarging the icebox

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Lick Creek Cave: Hope for Lick Creek

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Big Pryor Mountain: Ridgewalking in the Pryors: A Tale of Success

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Mill Creek Crystal Cave: During the Flood

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Cedar Mountain Sinkhole: Poking Around in a Sinkhole

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Woodward’s Cave: Claustrophobic No More

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Darby Ice Cave: 3rd Time’s a Charm

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El Capitan Peak, Alaska: El Cap Peak – A visit to the deepest pit* in the USA

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Garrity Cave: Garrity Provides a First Descent for New Cavers

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Old Dry Wolf Station (Dry Wolf Cave): Howls of the wild discovered, sorta…

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West Boulder: Two Walruses and a pole risk life and limb in the wilderness

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Argenta Cave: Argenta Cave With Traveling Friends

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Argenta Cave: Scaling ice entrance with new peeps!

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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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