How Do Flash Floods Catch Hikers Under a Clear Sky?
The rain that floods a canyon is usually falling somewhere you cannot see.
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Safety
Outdoor safety is mostly about spotting trouble early. These pages cover common hazards, warning signs, and what to do. They are reviewed for accuracy.
In this section
15 guides in Safety
Each one is field-tested and, where safety is involved, checked by a qualified responder.
How Do Hikers and Snowshoers Stay Out of Avalanche Terrain?
Written for walkers and snowshoers rather than adapted from ski touring advice.
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How Do You Cool Heatstroke Miles From a Hospital?
With a groundsheet, the water you are carrying, and a temperature to stop at.
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How Do You Treat a Bee or Wasp Sting, and When Is It Serious?
Speed of removal decides the dose. The method everyone argues about does not.
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How Long After a Trip Can Giardia Symptoms Start?
Which is why it gets blamed for illness it did not cause, and missed when it did.
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How Long Can You Survive in Cold Water, and What Kills First?
Preparing for hypothermia prepares you for the phase least likely to kill you.
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How to Recognize and Treat Anaphylaxis in the Backcountry
The clock on a severe reaction is usually shorter than the walk out.
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Is It an Ankle Sprain or a Break, and Can You Walk Out?
Most advice about sprains was written for someone who gets to sit down afterwards.
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Should You Thaw Frostbite Before You Reach Help?
Usually not, and the reason costs people fingers every winter.
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What Are the Early Signs of Hypothermia and How Should You Respond?
Spot the early signs before they become an emergency.
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What Are the Signs of Altitude Sickness, and When Do You Descend?
Three illnesses share the name, and only one of them lets you wait for morning.
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What Are the Signs of Dehydration, and How Much Should You Drink?
And the advice about it reversed, for a reason almost nobody was told.
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What Causes Blisters, and Should You Drain One?
Which is why the products aimed at friction keep disappointing you.
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What Do You Do in a Bear Encounter, Play Dead or Fight Back?
The correct response reverses on species and on what the bear wants.
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When Does Heat Exhaustion Turn Into Heatstroke?
The answer is in what they say back to you, not in how their skin feels.
ReadNo guides at this level yet.
Responder-reviewedSafety pages checked by a wilderness first responder
Primary sourcesNPS, USFS, Leave No Trace, wilderness medicine
No fake conditionsTrail facts are dated, sourced, or marked unverified
Field-testedWritten by people who log the miles