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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

Pryor Mountain Karst Inventory

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Vertical Training Missoula!

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2015 North Cirque Silvertip Trip

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Royce-Green Horse-Four Eared Bat Caves

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Bighorn Caverns: Loose Ends at K29

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West Boulder: A scary crawl

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First Lillyguard adventure.

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An Excellent Easter Escape

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Point of Dissapointment

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Lewis and Clark Caverns offtrail adventure

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MCCC proves it’s not done with us yet!

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Friday the 13th: What were we thinking

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Little Bitterroot Slip n Sliding

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Lillyguard Cave: Getting’ Dirty on Valentine’s Day

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Wagner’s Cave Lightning Strike Op

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Putting the Fog in Foggy Brennan

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Slot Canyon Ridge Walk

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Papoosed again!

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Rappeling a Karst Feature

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Meteetse Natural Arches

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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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