Field guide to the outdoors Hike · Trek · Backpack · Camp
KnowOutdoor
The practical outdoor authority

Get outside, and come back with a good story.

Field-tested guidance for hiking, trekking, backpacking, and camping, plus the skills, safety, gear, and planning that make every trip work.

Plan your trip Build a skill
A trail leading toward mountain ridges
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
Start here

Pick your activity

Four ways into the outdoors. Each hub links the skills, gear, safety, and planning that activity needs.

New to this?

Start here, in four steps

A simple path from never-hiked to your first confident trip. Do them in order.

  1. Step 1

    Pick a short, close trail

    Start with an easy local walk you can finish with energy to spare.

    Browse hiking
  2. Step 2

    Learn to find your way

    Take a bearing and follow it, even when the trail disappears.

    Learn it
  3. Step 3

    Pack food and water

    Match what you carry to heat, effort, and refill options.

    Plan it
  4. Step 4

    Cover the safety basics

    Spot the early signs before they become an emergency.

    Stay safe
Safety, done honestly

Spot trouble early. Know what to do.

Outdoor safety is mostly recognizing a hazard before it becomes an emergency. Our safety pages are reviewed by a wilderness first responder and lead with warning signs and response, not fear.

All safety guides
Learn

Skills that transfer

Master these once and use them across every activity, from a day hike to a multi-day trek.

Gear up

Gear that fits, not gear hype

We cover how to size, fit, use, and maintain the kit you already need, not the newest model.

Featured guide

How Should a Backpack Fit When the Load Rides on Your Hips?

Move the load onto your hips where your legs can carry it.

Read the guide
Plan

Turn an idea into a trip you can run

Size your water and food, read the forecast, and build a plan you can actually follow.

Tool

Trip Water Planner

Estimate how much water to carry for a hike based on how long you will be out, the heat, and where you can refill along the way.

Open the planner
Best National Parks for Day Hikes, Ranked by Trail Variety
Editor's pick

Best National Parks for Day Hikes, Ranked by Trail Variety

Eight parks compared by trail range, terrain, access, and the kind of hiking day each rewards.

Read the guide
Where to go

Destinations and trails, planned properly

Place-level guidance with seasons, permits, and hazards, and every changeable fact dated or flagged.

Destination

Yosemite National Park

National park · California

Yosemite National Park pairs granite walls and waterfalls with a trail network that ranges from paved valley loops to serious high-country routes. It…
Trail

Mist Trail

Challenging

  • Distance3 miles round trip to Vernal Fall
  • Climb1000 ft to Vernal Fall
  • Routeout-and-back
See the trail
Compare

Hiking vs Trekking

Hiking is usually a single-day trail outing; trekking is a longer, often multi-day trip where food, water, shelter…

Settle it
How we work

Researched, field-tested, then reviewed

Every guide clears the same three steps before it goes live, so you can act on it with confidence.

  1. 01

    Start from primary sources

    We build from land-manager guidance, wilderness medicine, and Leave No Trace, not from other blogs.

  2. 02

    Field-test the advice

    We publish what we have actually done on trail, so the steps still hold up when you are tired, wet, and cold.

  3. 03

    Review and date every fact

    A wilderness first responder checks the safety pages, and anything that changes is dated or marked unverified.

Read the full methodology
Where our facts come from

Sources we build from

We start from primary, authoritative sources, then field-test the advice against them.

Who writes this

Guidance you can stand on

Written by experienced outdoorspeople and, for safety topics, reviewed by qualified responders.

DW
Dana Whitfield Wilderness Safety Reviewer Reviewer
ML
Marcus Lee Backcountry Editor

Read how we research and verify, and where our facts come from.

Our methodology Editorial policy

Ready to plan your next trip?

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