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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

Toeckes Cave: NRMG Summer Event 2021

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Hakuna Matata: LIDAR Test Trip

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Pigeon Coop Cave: Fun in the Sun!

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Silvertip Mountain 2020 Trip Report

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Hole-in-the-Wall Canyon Ridgewalking

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Mill Creek Crystal Cave and the Mill Creek Melee

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Yakinikak 2 & 3, Twilight, and Longlegger Caves: Storytime with the Itsy Bitsy Spiders

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Grand Canyon: A Real Blast

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Bighorn Mountain Sink, Gravelly Range, MT: Closing the Case on an Old Lead

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Snakes on the Brain: A Ridgewalking Tale

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Woodwards cave: Woordwards cave – Checking the box

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Lick Creek Cave: Lick Creek Cave – Cathedral room photo take 3

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Checkerboard cave: Checkboard Cave

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Ophir Cave: Celebratory Trip for the Bigfork High School Cave Club

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Pearl Cave

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Azure Cave: What about the BATS??

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Whitaker Sink, Lick Creek Cave: Memorial Day Weekend Caving: Deep Pits and Big Rooms

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Elkhorn Creek: That sinking feeling.

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Long leggers: Just another rat hole fun time

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Ophir Cave: My first cave – A world so close and yet so far away

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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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