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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

Lick Creek Cave: Little Belts, Big Room

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Maryalice Chester in Lick Creek Cave

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Lick Creek Cave: First Time Caving, Now I Have a Craving

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Muddy Boots in Columbia Falls Cave!

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Horsethief Cave: Horsethief Bats and Forced Perspective

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Armpit, Wyoming: Welcome to the Armpit

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Little Bitterroot Again?

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Tongue River Cave – Wyoming: Carbide Lamps Only

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Longleggers Cave: Coco Dig

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Lick Creek Cave

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Kenelty Cave Rigging

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Jayhawk Cave was a hoot! Horsethief was Horsethief…

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Impala Speological Caver Challenge

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Cheve, Oaxaca, Mexico: Expedition Cheve!

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Old Dry Wolf Station Cave: An Interview with Finn on his First Cave Trip

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Ming Coulee Cave: Tips from retiring cavers and Google Earth

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Porcupine Cave: Porcupines a plenty

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Visiting Three Sisters Cave

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Tongue River Voodoo and Cleanup

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Parental Guidance at Boulder Choke Cave

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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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