Written by Martin Ebner
Updated September 2026.
Hiking is one of the better ways to increase your activity without spending an hour watching the clock on a treadmill. You get distance, hills, uneven ground and, if you choose the route well, a view worth leaving the house for.
It can absolutely help with weight loss, but the trail doesn't rewrite the rules. You still need a calorie deficit over time, and the hike only works if you don't treat reaching the top as permission to eat half the mountain on the way down.
YES, HIKING CAN HELP YOU LOSE WEIGHT
Hiking is aerobic exercise. It uses energy, improves fitness and can give you a substantial amount of movement in one session, particularly when the route is long or hilly.
That doesn't mean every hike produces dramatic fat loss. A large meta-analysis of 116 randomised trials found that aerobic exercise produced modest reductions in body weight, waist circumference and body fat, with greater weekly exercise generally producing greater change. The useful word there is modest.
Hiking can help create the conditions for weight loss. It can't guarantee the result on its own.
WHY HIKING CAN BE EASIER TO STICK WITH
The best cardio isn't the exercise that looks most efficient on paper. It's the one you'll do often enough for it to matter.
Hiking gives you a destination, changing scenery and a reason to keep moving that isn't simply watching a calorie number climb. The pace also changes naturally with the terrain, so a long hike can include easy walking, harder climbs and short recovery periods without needing to program intervals.
There may be a mental benefit too. In one small study comparing a nature walk with an urban walk, 90 minutes in a natural setting reduced self-reported rumination. That doesn't make hiking a treatment for anxiety or depression, but feeling better after spending time outside is a perfectly good reason to keep doing it.
DON'T TRUST THE CALORIE NUMBER TOO MUCH
There isn't one honest answer to how many calories hiking burns. Body size, pace, gradient, terrain, altitude, temperature, pack weight and fitness all change the cost.
Your watch can give you a rough comparison between your own hikes, but it isn't an invoice from your body. Don't automatically eat back every calorie it claims you've burned, and don't assume a flatter walk was pointless because the number looked disappointing.
Use the data to spot patterns if you enjoy it. The mountain doesn't care what your smartwatch guessed.
USE HILLS, PACE AND TIME BEFORE YOU ADD GIMMICKS
If you want hiking to become more demanding, start with the obvious levers. Walk a little farther, choose a route with more climbing, move at a stronger pace or reduce the number of unnecessary stops.
Progress one thing at a time. A harder route is only useful if you can complete it safely and recover well enough to return. Charging uphill until you're wrecked, then stumbling down with tired legs, isn't a clever fat-loss strategy.
Trekking poles can help with stability and may make steep climbing feel easier. Research on inclined walking found that poles could reduce perceived effort without meaningfully increasing calorie expenditure. Use them because they help you hike, not because somebody claimed they turn walking into a secret upper-body workout.
DON'T CARRY EXTRA WEIGHT FOR THE SAKE OF IT
Carry the water, clothing, food and safety equipment the route requires. Don't load your bag with pointless weight because an article told you it would burn an extra percentage of calories.
Weighted walking can be a legitimate training method, but it's a separate job and it needs sensible progression. Adding load changes the stress on your feet, knees, hips and back. If your goal is simply to lose fat, walking more consistently is a much better place to start than hauling a small fridge up a hill.
EAT FOR THE HIKE YOU'RE DOING
You don't need special hiking nutrition for a comfortable walk lasting an hour or two. Eat normally, bring water and carry a snack in case the route takes longer than expected.
Longer, steeper days need more thought. Carbohydrate helps support the work, fluid matters and arriving at the halfway point completely empty makes the return journey miserable. Trying to create the biggest possible calorie deficit during a demanding hike is short-sighted.
Fat loss comes from the pattern across your week, not from turning one day outdoors into a starvation event. If you're unsure what sensible hydration looks like, read does drinking water help build muscle? The title is about muscle, but the practical hydration advice applies here too.
HIKING DOESN'T REPLACE STRENGTH TRAINING
Hills will challenge your legs, but hiking isn't a complete strength program. It doesn't give you the same control over load, movement and progression that proper resistance training does.
Strength work can help you keep muscle while losing weight and make your body more capable on the trail. Squats, split squats, step-ups, hinges, calf work and some trunk strength all transfer nicely, but they don't need to become a ridiculous circuit performed halfway up the mountain.
If fat loss is the main goal, combine your walking with a sensible strength plan. I've explained why in is strength training good for weight loss?
BUILD A WEEK YOU CAN REPEAT
You don't need three heroic hikes every week. One longer hike at a comfortable pace, one shorter walk with more hills and two strength sessions can be plenty. Your normal daily movement fills in much of the rest.
Start with the time and terrain you can manage now, then build gradually. Consistency will do far more for your fitness and body composition than one enormous weekend followed by six days of walking downstairs sideways.
WHAT ABOUT FAT BURNERS?
You don't need a fat burner to make hiking work. If your food and weekly activity aren't in place, a supplement won't rescue them.
If those basics are already covered and you still want to look at one, Hunter Burn is the current option I link to. Treat it as optional support, not the reason weight loss happens. I'd buy decent footwear and a waterproof jacket first.
RECOVERY STILL COUNTS
An easy hike can be recovery. A five-hour climb with a hard descent isn't.
Eat, drink and sleep properly afterwards, especially if you're strength training around it. Sore calves and tired legs are normal after a route you're not used to, but persistent pain, swelling or a change in how you walk deserves more attention than another motivational quote. For the useful basics, read how to recover faster after exercise.
DON'T RUIN THE WALK
Hiking can support weight loss because it gives you hours of useful movement in a form many people genuinely enjoy. That's its advantage. Don't turn every climb into punishment for something you ate or spend the entire route staring at your watch.
Choose good trails, make them gradually harder and keep your eating sensible across the week. Take a photograph at the top. The view is a much better souvenir than the calorie estimate.
The best fitness advice still works when life gets messy, the weather turns or somebody suggests lunch after the hike. That's what I write about in Check It Oot. One email once or twice a month, written by me.
