The sun
Carry a gallon of water per person (more while hiking), be off the trail by noon, and know that confusion or passing out means heat stroke - call 911. Being fit won't save you from the heat.
Heat & water safety ->Outdoors / Hiking & biking
Get out on the trail - safely.
Texas has trails for every mood - desert peaks, piney woods, Hill Country creeks, canyon rims, and miles of paved city greenbelt. Getting out on them is one of the best free things you can do in this state. But Texas trails come with one serious catch, and it's worth saying first: heat is the real danger. Not snakes, not getting lost - heat. So this guide leads with staying safe, then covers where to go, trail manners, and the bike rules for dirt and pavement.
Read this first
Heat is the real danger
Heat is the real danger. Every summer, Texas hikers - including fit young people - get badly sick or die because they underestimated the sun and didn't carry enough water. The fixes are simple: carry a gallon of water per person, and be off the trail by noon. The rest of this guide builds on those two.
Read the safety section ->The two that kill
Heat and water
Moving water
In the Hill Country and the canyons, a creek crossing can fill in minutes from rain miles away. Never walk or drive across moving water - turn around.
Flash-flood safety ->The whole guide
Find your way around
Four sections. Start with safety - it's why this page exists - then find a trail, learn the trail manners, and sort out the bike rules.
Trail safety
Heat and water first - the real danger - then flash floods, snakes, getting lost, and the rest. Start here.
Stay safe ->Where to go
State parks, free national forests, Big Bend and Guadalupe, city greenbelts, and private singletrack - and what each costs.
Find a trail ->Trail rules & etiquette
Leave No Trace, staying on the trail, the yield triangle, and the dog, drone, and muddy-trail rules.
Trail manners ->Biking - dirt & road
Mountain biking, the e-bike classes and where they're allowed, and the road rules - bikes are vehicles too.
Ride right ->Who handles what
Who handles what
Texas trails sit on several kinds of land, and the bike rules come from a few places. Send each question to the right one.
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State-park trails & biking
Texas Parks & Wildlife (TPWD)
Trails at 80-plus state parks (day pass), plus the e-bike, dog, and biking rules.
TPWD State Parks -> -
Free national-forest trails
U.S. Forest Service
Free trails in the East Texas national forests, including the Lone Star Hiking Trail.
National Forests in Texas -> -
Desert parks & heat safety
National Park Service
Big Bend and Guadalupe Mountains - the 'Hike Smart' heat guidance, permits, and warnings.
NPS Big Bend - Hike Smart -> -
City trails & bike ordinances
Your city or county
Most everyday trails and greenbelts - plus the local bike rules (helmets, safe passing) that vary by city.
TxDOT - bike laws FAQ -> -
Bikes on the road
Texas Transportation Code
On the road a bike is a vehicle (Ch. 551); e-bike classes are in Ch. 664.
Transportation Code Ch. 551 ->
Quirks worth knowing
- In summer, 'be off the trail by noon' and carry a gallon of water per person - the heat is the real Texas trail danger.
- There's no statewide bike-passing law - Texas cities filled the gap with their own 3-foot / 6-foot ordinances.
- Most of Texas's best mountain-bike trails are on private land, because so little of the state is public.
- In state parks, e-bikes are allowed on roads but not on the dirt trails - a statewide TPWD rule that's still being debated.
- No statewide helmet law - but several cities require them for minors (and Houston's is under 14, not 18).
Trail words, translated
A few terms you'll meet, in plain language.
Hyponatremia
Dangerously low blood sodium from drinking lots of water without eating - balance water with salty food.
Why snacks matter on a long hot hike.
The ten essentials
The standard pack-list for any hike: map, water, food, first aid, light, sun protection, and more.
Carry them even on a short trail.
Singletrack
A narrow trail about one person (or bike) wide - the classic mountain-bike trail.
Most Texas singletrack is on private land.
Right-of-way
Who goes first when trails are shared - bikes yield to all, all yield to horses, downhill yields to uphill.
Slow down and let the climber pass.
Class 1 e-bike
A pedal-assist e-bike (no throttle) that stops helping at 20 mph - the kind most welcome on paths.
Still not allowed on state-park dirt trails.
Leave No Trace
Seven simple principles for leaving the outdoors as you found it.
Pack out everything, even the dog's.
Quick answers
The questions people ask most
How much water should I bring?
At least one gallon per person per day, and more while you're hiking - plus salty snacks, since you lose salt as well as water. Uphill in the sun you can lose over two quarts an hour.
When should I hike in summer?
Early - be off the trail by noon. Afternoon heat and thunderstorms are the most dangerous. Save big, exposed hikes for the cooler months.
What's the most dangerous thing on a Texas trail?
Heat. Learn the signs of heat stroke - confusion, very hot skin, passing out - and call 911 for it. If someone stops making sense, treat it as heat stroke.
A creek is running over the trail or road - can I cross?
No. Never cross moving water, on foot or in a vehicle, no matter how shallow it looks. Turn around and find another way.
Do I need a pass to hike in a state park?
Usually a day pass, or the annual State Parks Pass; popular parks fill up, so reserve ahead (see the Camping hub).
Where can I hike for free?
The national forests (including the Lone Star Hiking Trail) and many city and county trails and greenbelts.
Who yields on the trail?
Bikes yield to everyone; everyone yields to horses; and downhill yields to uphill.
Can I ride my e-bike on park trails?
In Texas state parks, no - e-bikes are allowed on park roads but not the dirt trails. It's a statewide rule that's been debated, so check the TPWD biking page and any city or trail system before you ride.
Do I have to wear a helmet?
No statewide law, but several cities require helmets for minors (ages vary by city). It's always the smart move.
Does a car have to give me space when passing?
State law says to pass at a safe distance, and many cities require 3 feet (6 for trucks). Check your city for the local rule.
Official sources
Heat and desert-park safety come from the National Park Service; state-park trails and biking from TPWD; free forest trails from the U.S. Forest Service; the road rules from the Texas Transportation Code and TxDOT; and trail ethics from Leave No Trace.
- Data vintage:
- Trail safety and rules as reviewed June 2026
- Last reviewed:
- June 15, 2026
- NPS Big Bend - Hike Smart - The heat & water guidance, straight from the source
- TPWD State Parks - Find a park, trails, passes & rules
- U.S. Forest Service - National Forests in Texas - Free trails & the Lone Star Hiking Trail
- Texas Transportation Code Ch. 551 (bicycles)
- TxDOT - bicycle laws
- Leave No Trace - Seven Principles
Caution: Trail conditions, closures, e-bike rules, and city bike ordinances change and vary by place. Confirm on the managing park and your city - and in summer, respect the heat.
Spot something that needs a Texas check?
This first pass is built to be polished over time. Send the page name, county, parcel context if relevant, and the official source you are looking at.
Email Texas Porch.