The Slide Rock-Bolter: Whale Monster of the Mountains

An artist’s interpretation of the Slide Rock Bolter: The mountain whale of Colorado. Photo: Wandering the Whale Road

During the early 1900s, American lumberjacks told terrifying stories of encounters with the Slide-Rock Bolter - a whale like creature living in the mountains.

The Legend of the Slide-Rock Bolter

An artist’s interpretation of the Slide Rock Bolter: The mountain whale of Colorado.

The slide rock bolter attacking a travelling party.

William Thomas Cox, the State Forester of Minnesota, presented the account of the Slide-Rock Bolter in his 1910 publication "Fearsome Critters of the Lumberwoods, with a Few Desert and Mountain Beasts."

This compilation of lumberjack stories from all regions of the United States includes descriptions of the various creatures that were imagined by workers in the logging industry during their late-night conversations in shanties.

The presence of the slide-rock bolter has caused significant anxiety in the mountainous regions of Colorado, particularly during the summer when the woods are swarming with tourists.

This terrifying creature is exclusively found in the steepest mountainous terrain with slopes greater than 45 degrees. It possesses a massive head with small eyes and a mouth resembling that of a sculpin, extending back behind its ears.

Its tail comprises a divided flipper with enormous grab-hooks, which it employs to cling to the crest of the mountain or ridge, often remaining motionless for extended periods while surveying the gulch for potential prey such as tourists or other hapless creatures.

When it sights a victim, the bolter lifts its tail, releasing its hold on the mountain and hurtling towards the unfortunate target at high speeds, drooling thin skid grease from the corners of its mouth to accelerate its momentum.

It sweeps up the victim as it goes, carrying both down the slope and up the next peak, where it slaps its tail over the ridge and waits for its next prey. There are reports of entire parties of tourists being devoured at one go, with the Slide-Rock Bolter taking them deep into the hills.

Not only does the creature pose a threat to tourists, but it also endangers the forest, with numerous draws through spruce-covered slopes being laid low as the Slide-Rock Bolter crashes down from the peaks above, uprooting or mowing down trees like a scythe.

According to Cox's account, a forest ranger managed to lure the Slide-Rock Bolter into attacking a dummy that was dressed like a tourist, using a Colorado guidebook and a Norfolk jacket as bait.

The Norfolk jacket was a common attire worn by affluent men seeking adventure in the western regions. The dummy was rigged with dynamite, so when the Bolter made its descent down Lizard Head to strike, the resulting explosion was so powerful that it flattened half the buildings in Rico, none of which were ever rebuilt.

Theories about the Slide-Rock Bolter Mountain Whale

The legend of the Slide Rock Botler: The Mountain Whale Monster of Colorado

The Slide-Rock Bolter was a creation of the lumberjacks who, while unaware of their own role in causing environmental damage, were responding to the visible evidence left by the mining industry.

Over the course of a few decades after the Ute people were expelled from their land, the mining and lumber industries drained the land of its resources in southwestern Colorado.

The hills were scarred with evidence of landslides caused by the removal of trees which gave them their integrity. It almost looked as if a huge mountain whale had slide down the mountain devouring everything in its path.

The emergence of the man-eating mountain whale in the Lizard Head region can be attributed to the state's complicated settlement history, serving as a warning of how human greed can swiftly transform a landscape.

Have you ever encountered a slide rock bolter in real life? Let us know in the comments.

If you enjoyed learnign about the slide rock bolter you might also be interested in learning about the Central American Whintosser or the cadborosaurus.

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