You step off the paved path and into the trees, and a few minutes later you notice your shoulders have dropped. The traffic noise is still there, just farther away. Nothing has been solved, but your breathing has slowed and your thoughts have stopped tripping over each other. That shift is the core of forest bathing, and it is why so many people go looking for its benefits.
Forest bathing, also called shinrin-yoku, forest therapy, or sometimes tree bathing or nature bathing, means spending slow, unhurried time among trees and paying attention with your senses. It is not hiking and it is not exercise. A review of 20 studies found that forest bathing can reduce mental health symptoms in the short term, particularly anxiety. This post covers the mental and physical health benefits of forest bathing, what the research can and can’t support, and how to try it in DC.
What is forest bathing?
The idea is simple. You go to a forest or a green, leafy place, you slow down, and you let your attention rest on what is around you instead of on your inbox. There is no destination, no step count, and no right way to feel. The “bathing” part means soaking in the atmosphere of the forest, not getting wet.
Most forest bathing comes down to using your senses on purpose:
- Sight: the colors of the leaves, light moving through branches, the pattern of bark up close.
- Sound: wind in the canopy, birds, water, your own footsteps on the trail.
- Smell: damp soil, pine, leaves after rain.
- Touch: the texture of a tree trunk, cool air on your face, the ground under your feet.
The practice took shape in Japan in the 1980s, where shinrin-yoku became part of preventive health care. It has since spread around the world. You may see “forest therapy” used for a guided version, where a trained guide leads a small group through slow, sensory prompts. Forest bathing on your own works the same way, just without the guide.
Mental health benefits of forest bathing
The clearest benefits of forest bathing are for stress and mood. The studies in the review above were all run in Asia and Europe, and its authors called for more careful research and longer follow-up. So it helps to think of the benefit as real but modest, and short term.
Other studies point the same way. In one, people visiting a wilderness-like site reported lower stress than people visiting a city park or an indoor exercise facility. In another, 19 middle-aged men walked through a forest park on one day and through a city on another. After the forest walk, their pulse was lower and their mood scores showed less depression, anxiety, fatigue, and confusion, with more vigor.
Plenty of people try mindfulness and give up because their mind keeps wandering. Forest bathing can be a gentler way in. The trees give your attention somewhere to land, and drifting away and coming back is the whole exercise. Many people find that easier than sitting still with their eyes closed.
Why would trees do this? Part of it is what forests lack: notifications, deadlines, and people needing something from you. Part of it is what they offer, which is something gentle to pay attention to. When your mind has somewhere easy to rest, it tends to stop circling the same worry.
That makes forest bathing a low-pressure form of mindfulness. You are not trying to clear your head. You are just looking at a leaf, then hearing a bird, then noticing your thoughts drifted back to work and returning to the leaf.
Physical health benefits of forest bathing
Claims about the physical health benefits of forest bathing often go further than the research. Here is what the studies found, and who they studied.
Blood pressure. A review that pooled 20 studies with 732 participants found that blood pressure was lower in forest settings than in non-forest settings, for both the top and bottom numbers. That is a reason to enjoy the woods, not a treatment for high blood pressure. If you are managing your blood pressure, keep working with your doctor.
Immune cells. In a series of studies with Japanese adults, men and women, who spent three days and two nights in forest areas, natural killer cells were more active on forest days than on ordinary workdays. Natural killer cells are white blood cells that help fight infection. The boost lasted more than 30 days after the trip, and a tourist trip to a city did not produce it. These studies come from one research team and involved multi-day trips, so treat them as interesting, not settled.
When the calm doesn't last
If stress, anxiety, or low mood follows you back from every walk, talking it through can help. Our DC therapists can help you sort out what is keeping it going.
Stress hormones, sleep, and mood. The physician who led that team, Qing Li, summarized his group’s work in a 2022 review. Across their studies, forest bathing was linked with lower stress hormones, lower blood pressure and heart rate, and better sleep, along with lower scores for anxiety, depression, and fatigue. The review also suggests that city parks may offer some of the same benefits.
Time in nature more broadly. A 2021 review of a decade of research on time in nature, not forest bathing specifically, found links between nature exposure and lower blood pressure, better sleep, and better mental health. Many of those studies show an association, which means they can’t prove the green space caused the change. People who are already healthier may simply spend more time outside.
Put together, forest bathing seems to be good for you in modest, short-term ways. Nobody yet knows how long the benefits last or how much time you need. It is also different from a workout. If you want what exercise does for mental health, a brisk walk or a run gives you that, and forest bathing gives you something slower.
A complement to care, not a treatment
Forest bathing can help you feel calmer and more like yourself. It is not a treatment for depression, an anxiety disorder, or any medical condition, and none of the research above tested it that way. It works best as one part of how you look after yourself, alongside sleep, people you trust, and professional care when you need it.
Some health care providers do suggest time outdoors to their patients. Park Rx America, a nonprofit, gives providers a way to prescribe time in nature. That kind of nature prescription sits next to medical care, not in place of it. If you take medication for your mood or your blood pressure, talk with your prescriber before changing anything.
When stress has been running high for months, a walk in the woods can feel good and still not be enough. That is useful information, not a failure. In therapy we look at what keeps the stress going, and time outdoors often becomes one part of the plan rather than the whole plan.
If the calm fades the moment you get back to your car, or if worry follows you down the trail, that is worth paying attention to. Our anxiety therapy and depression therapy in DC can help you understand what is underneath it.
How to practice forest bathing
You don’t need gear, training, or a remote wilderness. A few simple steps are enough to start.
Pick a green place you can reach easily
Leave your phone in your pocket
Walk slower than feels normal
Use one sense at a time
Stay a while, then come back often
If you tend to lower stress by doing more, this can feel strange at first. That awkward, “am I doing this right?” feeling usually passes after a visit or two.
Where to try forest bathing in DC
Washington has more forest than people expect. Rock Creek Park runs through the middle of the city, and its quieter side trails are a short trip from Dupont Circle. The C&O Canal towpath follows the Potomac with trees on both sides and a slow, flat path that suits an unhurried walk. Theodore Roosevelt Island and the U.S. National Arboretum are other good options when you want a change of scenery.
A few things make any spot better for forest bathing:
- Choose a quieter trail or time of day, like an early weekend morning, so you are not dodging runners and bikes.
- Go back in different seasons. The same trail feels new in spring green, fall color, and bare winter branches.
- Go alone if you want quiet, or with a friend who agrees to walk slowly and talk less.
- Try a guided forest therapy walk if you would like some structure the first time.
Forest bathing will not fix a hard season on its own, but it can give you an hour where your body is not braced for the next thing. For a lot of busy people, that hour is worth protecting.
Make room for what restores you
If stress is crowding out the things that help you feel like yourself, our Dupont Circle therapists can help you understand what you're carrying and make more space to breathe.
Last updated: October 2026
This blog is for informational purposes only and does not constitute medical or mental health advice. Always consult with a qualified mental health professional for personalized guidance regarding your specific situation.
