Would you know what to do if you or someone you were hiking with was having a heat emergency?

Phillip Grim was just 10 years old when he set out to hike Rim-to-Rim with his family. But he never made it. Today, 28 years later, his story is a reminder of the serious business of hiking the Grand Canyon—and how one poor decision can snowball into an unfathomable nightmare.

Plus, Dr. Tom Myers shares the many ways to both recognize and treat heat emergencies.

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Dr. Myers' and Michael Ghiglieri's book Over The Edge: Death In Grand Canyon is widely available, including on Amazon and in gift shops around the park.

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To purchase Dr. Myers' How Not To Die In Grand Canyon—which is a thin pamphlet full of potentially life-saving information that can easily be packed and carried into the Canyon— click here. Proceeds benefit Grand Canyon Conservancy and the Grand Canyon's Preventative Search & Rescue program.

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Please join the Grand Canyon Hiker Dude Show's private Facebook group by clicking here.

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The Rim2Rim Pack from Bright Angel Outfitters is now available! Check out our Canyon-inspired day pack by clicking here.

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To reach Coach Arnie, you can call or text him (yes, really!) at (602) 390-9144 or send him a message on Instagram @painfreearnie.

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Have an idea for the show, or someone you think would be a great guest? Reach out to Brian anytime at gchikerdude@brightangeloutfitters.com.

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The all-new Grand Canyon Shade Tracker is LIVE!! This incredible interactive tool lets you see when and where you'll have precious shade on your Grand Canyon hike—every hour of every day of the year. Check it out at gcshadetracker.com. Another free resource from Bright Angel Outfitters aimed at making your Grand Canyon adventure the best and safest it can be.

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For Canyon-centric hoodies, sweatshirts & tees—including the Victor Vomit tee and our new Rim-to-Rim collection— please visit BrightAngelOutfitters.com

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For more great Grand Canyon content, please check us out on the following platforms:

YouTube (@GrandCanyonHikerDude) for informative and inspirational videos

Instagram (@GrandCanyonHikerDude) for photos from the trail

TikTok (@GrandCanyonHikerDude) for fun and informative short-form videos

Facebook (@GrandCanyonHikerDude)