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Discover hidden wonders in a cave-riddled wilderness.

Discover a pocket of wildlife beyond Yellowstone's borders.

Check out Katie Herrel's author page.

Cross ancient lava fields on a lake-filled weekend.

Check out Katie Herrel's author page.

A 12-step program for cutting weight.

The latest in skull science and safety

Enrich your trip memories by recording nature's soundscapes.

Pack your collapsible chopsticks and dig into this delicious Asian cuisine.

Get a dose of veggies on the trail with these DIY summer rolls.

Protein-rich and flavor-packed noodles for the trail.

Think there's nothing wild left in the Lower 48? Don't tell the grizzlies on this traverse of the Bob Marshall Wilderness.

Having just broken the speed record for thru-hiking the Appalachian Trail, Jennifer Pharr Davis sits down to discuss gear, preparation, and the joy of a stellar hike.

Browse the finalists in November's Reader Photo Contest.

If I had to survive on bad water for several days (say I fell in a canyon with no water) would enemas of the bad water actually keep me from dying of dehydration and not give me diarrhea? I heard of a family lost at sea with a hydration bladder was able to survive this way.

I tore tendons in my left ankle when I was younger, and as a result, don't have the most stable of ankles while hiking. Braces tend to be too hot and irritating inside a boot - is there any specialty boot or aftermarket product to help?

My dog joins me on many of my hiking trips. Is there anything short of giving her a bath that will remove the oils from poison oak/ivy?

Does bleach repel Rattlesnakes?

What do you recommend including in a medical kit for a five-day hike with four (middle age) adults?

Sometimes drugs that help with attention deficit problems help with acclimatization to altitude—and sometimes they don't...

What’s the SPF of a deciduous forest?

DEET-free bug-repellent options from chemicals to high frequency sound

Triple-digit temps by noon. Freezing at night. Scarce water. The desert is as dangerous for unprepared hikers. Give yourself an edge and learn to survive this hostile territory while backpacking.

Why is it advised to leave odor free deodorant or antiperspirant behind in the backcountry when sunscreen and bug spray are considered ok? Wouldn't the same premise apply to all?

My grandfather told me many years ago that using rubbing alcohol on your feet a few weeks before a backpacking trip will help prevent blisters. Have you heard this before?

I am leading a crew to Philmont Scout Ranch in New Mexico next summer. We are covering 115 miles in 10 days and summiting four peaks around 12,000 ft. What workouts would you recommend to prepare 12 guys around the age of 16 for this trek

What is the fastest way to recover for hiking from a sprained ankle? What exercises can I do to strengthen my ankle muscles?

Can hiking with an aluminum external frame pack pose a hazard during an electrical storm?

I've had Lyme disease now for three years, misdiagnosed at first, I am a hiker and a climber and continue to do so even though the pain in my shoulders and knees is sometimes bad. I’m going to climb Mts. Whitney and Rusell soon. Will the high altitude affect my Lyme disease?

I recently went on a seven-day 100 mile hike. My knees where killing me on the down hills. What exercise can I do to prevent this from happen?

You run out of water on a long, hot dayhike. You find a full water bottle trailside, and also find a clear running stream. Drink from the stream, drink from the bottle, or abstain?

How long should water boil at 14,000 feet altitude where it boils at 60 degrees Celsius?

I do a lot of hiking in Great Smoky Mountains National Park and as soon as warm weather arrives you can be sure to attract gnats that swarm your face while hiking. What can be used to deter them? Will deet applied to the face help?

Why is it that wild animals can drink water that's unsafe for humans?

Just standing flat footed and lifting my toes I get a sharp pain shooting from the ball through the underside of my toe and my hiking has ceased. What could the problem be?

My boots seem to fit me well, but after about three hours of backpacking the balls of my feet become sore. Friction probably plays a role, so I duct tape the balls of my feet to slow down the pain process. Eventually they do get sore. Any suggestions?

I am a backpacker and mountain climber and am trying to find out more information specific to diet and keeping up my endurance, energy and strength. I have celiacs disease and there doesn't seem to be a lot of information on obtaining the right carbs.

As a CO native, hiking Fourteeners in the summer is a favorite activity of mine. I'm excited to introduce my one-year-old to an easy one this summer (carrying him in a baby backpack, of course), but am a bit concerned about him and altitude sickness. Should I be?

Why do I get headaches nearing the end of hikes? I drink enough water, eat enough, but the last two miles of so of any hike I get a killer headache.

Does hiking and sleeping at altitude for the weekend one to three weeks prior to taking a hike at 14,000 help acclimating? I would be back at sea level for the work weeks in between.

How soon after exposure to poison ivy do I need to wash my skin? If I apply an alcohol-based hand sanitizer after contact with poison ivy, will it reduce my reaction, or stop it altogether?

When I through-hiked the PCT a number of people I was hiking with came down with giardia. We drank from the same sources for weeks. They treated their water and I never did and I still never got sick. Why?

Bad things happen to good hikers. Everyone should have a smart back-up plan--or two.

Walk deliberately into woods filled with waterfalls and stone walls.

Use what you have at any given moment to alleviate a medical emergency in the backcountry.

Warren Doyle has hiked the Appalachian Trail 16 times, and he has a no-fee plan guaranteed to help others complete the 2,180-mile trek. The hardest part? Hiking with Warren Doyle.

Gourmet breakfast served in your sleeping bag

Traditional oats with energy-packed surprises

New research offers mental tricks for conquering steep slopes.

Once you've stabilized a backcountry injury or illness, the next step is to prevent the patient from worsening. Here's some key steps to take.

For an athlete of Ryan Guay's caliber, keeping it new and exciting is a top priority. A former pro-cyclist, whitewater kayaker, ski and surf enthusiast and full time outdoor sales rep, Ryan was quick to jump on board when he learned about the fledging sport of stand-up paddle boarding. Ryan's adventurous lifestyle demands a watch with maximum versatility and utility. The CASIO PROTREK delivers with a comprehensive line-up of features including: 200 meter water resistance, digital compass, thermometer, tide graph, altimeter, barometer, solar power and atomic timekeeping.

Use these three assessment tools to examine every patient thoroughly after you've stopped any immediate threats to life. Trauma victims are more common in the backcountry; start your inspection with a head-to-toe exam. For ill patients, begin by asking about medical history and taking vitals.

When an emergency strikes, your mind can go blank. These easy clues and rhymes will help you remember what do to first.

Blisters are the most common on-trail injury, but blisters are also easy to prevent.

BACKPACKER and CLIMBING have teamed up to bring you a one-stop resource for scaling the best treks and technical climbs in the country.

With The North Face's new Drywall tent fabric and external clips, you can pitch the Phoenix 2 in the middle of a downpour without spilling a drop on the tent floor.

Navigate a vertical sandstone maze to guaranteed solitude on a high-desert summit.

Scramble a sneak route to Rainier-worthy views-of Rainier and much more.

Top a Yosemite-like dome in a sea of green.

Claim a rare feat on this classic-in-waiting loop.

Stand atop The Mountain State's most famous peak.

Feel like you've notched a first ascent.

Walk a scary-narrow rock fin to an airy summit.

Tackle tricky terrain to gain a solitary alp.

Bag a stout weekend adventure-and vistas from the big lake to the High Uintas.

Climb without crowds to the state's top mountain view.

Cross elk-filled woods and bighorn- busy flats on this park's quiet side.

Venture off SoCal's coast for long beaches, hidden canyons, and sea life.

Want to improve your photography skills? Take this one-question poll to tell us what kind of interactive webinar you'd be interested in.

How do you improve on a tent that's already received an Editors' Choice award? Try adding a detachable vestibule, or "gear shed", that practically doubles the tent's footprint and its versatility.

Glide through back-to-back lakes on a classic North Country canoe trip.