Grand Canyon, on the Colorado river, “Vulcans Anvil”…“What a conflict of fire and water…what clouds of steam rolled into the heavens!” J.W Powell

August 17, 2012

Just before the river plunges into Lava Falls, one of the most notorious rapids in the Grand Canyon, you float past a 50-foot tall vertical volcanic plug protruding out of the deceptively calm pool that lies above the maelstrom below.

The plug is named Vulcan’s Anvil after the Roman god of beneficial fire and volcanoes, Vulcan. Like his Greek counterpart, Hephaestus, Vulcan was a blacksmith who forged swords, spears, jewelry and other metallic objects on his anvil in a smithy beneath the slopes of Mount Etna, a volcano in Italy. Vulcan’s Colorado anvil was created by massive lava flows that poured through this part of the canyon 400,000 years ago, damming the river and leaving behind the black rocks that mark the landscape in the lower part of the canyon.


According to river lore, Native American’s consider Vulcan’s Anvil to be sacred and prefer that visitors refrain from touching the rock or leaving artifacts on its sides. The “dirty rings” around the anvil, reveals the high water flows of the past…..

Text : BY
STAFF My Grand Canyon Park .com / Tags: Arizona, Grand Canyon, volcanic plug, volcanoe, vulcan, vulcans anvil

photo credit: John Gussman / jgussman@dcproductions.com

Share this post!

Check out our other Blogs!

A raft of guests on the Colorado River beside towering red rock canyon walls
August 3, 2026
Wondering about bathrooms on a Grand Canyon rafting trip? Here's exactly how it works, day and night, so you know what to expect before you book.
A group of guests rafting the Colorado River on a motorized raft in the Grand Canyon
August 1, 2026
Planning a family Grand Canyon rafting trip? Here's the minimum age for motorized and dory trips, and how to know if your kids are ready.
Rafting on whitewater river in a canyon. People in life jackets navigate through a wave, splashes everywhere.
June 30, 2026
Wondering about grand canyon rapids? Get a plain guide to the biggest runs, including Lava Falls, plus safety tips and what the ride feels like before you go.
Show More