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The Names Are Useful: The Geologic Column
Geologists use names such as Precambrian, Cambrian, Mississippian, and Permian to organize the rock record. Those terms are useful, even when we disagree about the numerical ages attached to them.
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The Layers Are Real: What the Grand Canyon Actually Shows Us
The sedimentary layers of Grand Canyon are real, extensive, and ordered. The question is not whether the layers exist, but what history best explains them.
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Hidden Life in Grand Canyon
Cryptobiotic soil forms dry desert areas like the Colorado Plateau, the Sonoran Desert, the Great Basin, and the inner Columbia Basin. Cryptobiotic means “hidden-life.” This top soil layer is composed of cyanobacteria, lichens, mosses, green algae, and microfungi. These living
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Praying for Those Impacted by the Bright Angel Canyon Flooding
The Grand Canyon is a place we deeply love, which makes the recent flooding in Bright Angel Canyon especially difficult to see. Our hearts and prayers go out to the families who have lost loved ones, and we continue to pray
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Well Done, Mike Riddle.
On July 31, 2026, Mike Riddle passed from this life into eternity. For those of us who knew him personally, learned from him, or were shaped by his ministry, the loss is deeply felt. Mike was a strong and steady voice
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From Rim to River: Grand Canyon’s Vertical Habitats
From rim to river, the canyon is a living reminder that God is not only powerful enough to create. He is faithful enough to provide. Stand at the South Rim of the Grand Canyon on a cool morning and the landscape
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The Pale Blue Dot God Chose to Visit
The stars declare the glory of God, but the cross declares His love. There is something wonderfully humbling about sleeping at the bottom of the Grand Canyon. On our recent Stargazer Special river trip, days were filled with the kind of beauty
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Florida’s Geology Through the Lens of Noah’s Flood
Florida is not a simple one-event landscape. It is more like a layered story. Being in Florida right now sharing about Canyon Ministries at the Southern Baptist Annual Meeting has me thinking about geology in a different way than I usually
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Making the Invisible Visible — Remembering Ray Strom
Every sample had to be carefully cut, mounted, ground paper-thin, analyzed, photographed, and documented. In many ways, Ray helped make the invisible visible. There are some people whose names become widely recognized through books, films, and conference stages. Then there are
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The Wow Factor of Yosemite National Park
The moonlight now spilling into the forest and onto the trail provided all the light we needed, yet we never would have seen it if we did not trust enough to turn our lights off. There is something memorable about taking
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How Was the Grand Canyon Formed? A Catastrophic Lake Spillover Model
If you read most park signs, you'll find the formation of the Grand Canyon is often treated as a simple question of slow erosion and time. A river cut downward over 5.5 to 6 million years and produced the canyon
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Celebrating the Life and Legacy of Stephen Crotts
Rev. Stephen Crotts, one day shy of his 75th birthday, recently went to be with the One he loved and served for more than 50 years. After becoming a Christian, I sat under his teaching and mentorship for many years.

GuidePosts is a collection of blogs and articles written by our knowledgeable guides and ministry friends. You can explore these posts chronologically or select a specific author to read their insights.
Our guides at Canyon Ministries possess extensive knowledge and experience in and around the Grand Canyon. They have a deep understanding of the Biblical Creation/evolution debate and a strong foundation in Biblical truth, which they apply to their interpretation of the Grand Canyon.
We hope you find the information presented here to be both encouraging and faith-building as we explore Lessons, Life, & Loving God…Grand Canyon style.