Calgary 
Experience a Halloween like no other with Canmore Cave Tours in Rat’s Nest Cave under Grotto Mountain.
Canmore Cave Tours
Rat’s Nest Cave is a natural wonder rich in geology and paleontological marvels. With over four kilometres of tunnels showcasing ancient stalactites, stalagmites, and remnants of creatures from eons past, this subterranean gem is a window to Earth’s prehistoric epochs.
The cave’s limestone origins date back nearly 350 million years, and its formation was shaped by both tectonic activity and the ebb and flow of the Bow Glacier.
Beyond its natural allure, Rat’s Nest Cave also whispers tales of human history. Archeological finds, such as ancient tools and pictographs, indicate its significance in prehistoric human life around 3,000 years ago.
This Halloween, Canmore Cave Tours offers an unparalleled experience within this mystic cavern.
Canmore Cave Tours
Returning this year during the Halloween season is the in-cave screening of “The Descent,” a cult horror classic. Set 10 stories underground, the screening promises an adrenaline surge.
Participants embark on an immersive journey from the Canmore Cave Tours Office at 129 Bow Meadows Crescent—preparing for the horror with an initial movie segment, then trekking to the cave for the main event.
With the cost set at $179 GST and limited to 16 spots per night, the tours run from October 31 to November 1, from 6 PM to midnight. Participants must be 18 and adhere to safety gear specifications.
Dare to delve?
The Descent: Halloween Horrors in the Cave
What: Participants will enjoy an eerie screening of the cult horror film “The Descent” deep within the cave, surrounded by the haunting ambiance of the underground world.
Due to the movie’s R-rating and the demanding nature of the activity, the minimum age for participants is 18. All attendees must meet the safety harness requirements.
When: Friday, October 31 to Saturday, November 1, 2025 | 6 PM
How Much: $179 + GST
Where: Canmore Cave Tours, 129 Bow Meadows Crescent, Unit 202, Canmore
