What is Shinrin Yoku?
Shinrin yoku, translated as “forest bathing” or “taking in the forest atmosphere,” is a practice of therapeutic relaxation where one spends time in a forest or natural setting, focusing on sensory engagement to connect with nature. It is not the same as hiking or a simple walk in the woods; the destination is “here,” not “there,” and the pace is slow, not fast. It is a traditional Japanese practice of immersing oneself in nature by mindfully using all five senses.
The practice involves deliberate attention to the sensory experience of being in a forest—observing light through leaves, listening to wind and birdsong, feeling textures of bark and moss, inhaling forest air. It is intended to improve an individual’s state of mental and physical relaxation. Unlike exercise-oriented activities, shinrin yoku emphasizes stillness, presence, and relational contact with the more-than-human world.
Origins & Lineage
The term “shinrin yoku” was coined in 1982 by Tomohide Akiyama, director of Japan’s Ministry of Agriculture, Forestry, and Fisheries. The development of this therapeutic practice was a response to rapid urbanization and high-stress office culture that was taking a toll on citizens’ health, and the Ministry saw a chance to simultaneously help urbanites de-stress and communicate the importance of forests in society. The practice was part of a dual campaign to encourage people to visit forests for their health and also as a means of protecting the forests.
While shinrin yoku has deep roots in Japan’s Buddhist and Shinto traditions, the formal term and therapeutic framework were only established in 1982. Since the 1970s, Japan had seen substantial increases in anxiety and stress-related illness attributed to increased urbanization and long overtime hours; the Japanese coined the term “karoshi” (過労死), meaning “overwork death,” to describe sudden occupational mortality.
By the early 2000s, shinrin yoku had evolved from simple encouragement into a structured therapeutic practice; Japan established Forest Therapy Bases and Forest Therapy Roads—designated trails in forests that had been scientifically verified to produce measurable health benefits, with over 60 such certified locations across the country by 2025.
The scientific study of shinrin yoku accelerated in the 2000s. Dr. Qing Li, an immunologist and founding president of the Japanese Society for Forest Medicine, started forest medicine research from 2004 and has published numerous articles in scientific journals. His work and that of collaborators have established the field of “forest medicine” as a branch of preventive health research.
How It’s Practiced
A typical forest bath is a two-hour slow walk on a forest path with no cell phones and no talking, where walkers engage with the forest through all their senses, bringing them into the present moment and alleviating stress. There are no prescribed exercises or destinations. Participants may pause to touch bark, sit beside water, observe insects, or simply breathe.
Certified forest therapy guides lead sessions, working in partnership with the forest to support others as they awaken their senses and slow down to become fully present in and with the forest. Guides are not therapists; support for wellness comes to participants from their interaction with natural environments, with the sole aim of creating and sustaining safe, meaningful, and relational contact between participants and nature.
Research suggests specific exposure durations for effects. The relaxing effects begin to appear 20 minutes after starting and reach maximum effect after two hours; to achieve immune-boosting effects, at least two hours is necessary. One day (six hours) can have an immune-boosting effect lasting one week; three days and two nights can have effects lasting four weeks.
Shinrin Yoku Today
In Japan, forest bathing is already recognized as a clinical therapy and can even be prescribed by doctors. Forest bathing has become standard practice in Japan, with over 70 designated “healing forests” across the country. The practice has expanded internationally since the 2010s, particularly after the publication of Dr. Qing Li’s 2018 book Forest Bathing: How Trees Can Help You Find Health and Happiness.
The Association of Nature and Forest Therapy (ANFT) has been training forest therapy guides for over a decade. Multiple organizations now offer guide certification programs worldwide, typically involving several months of online instruction followed by in-person immersion. Seekers encounter shinrin yoku through guided walks in municipal parks, certified forest therapy trails, wellness retreats, and increasingly as part of integrative healthcare programs.
Research continues to examine physiological and psychological effects. Studies have reported that shinrin yoku increases natural killer cell activity and anti-cancer proteins, reduces blood pressure and heart rate, reduces stress hormones including cortisol, stabilizes autonomic nervous system balance, improves sleep, and in mood testing reduces scores for anxiety, depression, anger, fatigue, and confusion while increasing vigor. A 2020 systematic review and meta-analysis found that shinrin yoku can be effective in reducing mental health symptoms in the short term, particularly anxiety, though noting a need for more rigorous research.
Common Misconceptions
Shinrin yoku is not hiking, nor is it wilderness adventure. It does not require athletic ability, remote locations, or challenging terrain. Urban parks can serve as venues. Research indicates that shinrin yoku in city parks also has benefits on human health.
It is not meditation in the forest, though it may involve meditative states. Unlike formal meditation practices with specific techniques (breath counting, visualization, mantra), shinrin yoku has no prescribed mental exercises—only invitations to notice sensory experience.
The practice is not primarily about phytoncides (tree-emitted compounds), though these may play a role. While forest bathing is associated with enhanced natural killer cell activity and other immune effects, with evidence suggesting a contributory role of tree-derived biogenic volatile organic compounds and phytoncides, research also points to sensory engagement, stress reduction, and autonomic nervous system regulation as mechanisms.
Shinrin yoku is not a religious practice, despite its cultural roots in Shinto and Buddhist nature reverence. It is studied and practiced as a secular health intervention in public health systems.
How to Begin
Start with accessible green spaces. No wilderness is required—a local park with trees suffices. Leave phone and agenda behind. Walk slowly, with no destination. Stop frequently. Touch bark, smell leaves, listen to rustling and bird calls. Spend at least 20 minutes, aiming for two hours when possible.
For structured introduction, seek a certified forest therapy guide through the Association of Nature and Forest Therapy (ANFT) or similar organizations. Many guides offer introductory walks in public parks.
Read Dr. Qing Li’s Forest Bathing: How Trees Can Help You Find Health and Happiness (2018) for both scientific foundation and practical guidance. The book includes photographs and specific suggestions for bringing forest elements indoors when outdoor access is limited.
Look for designated Forest Therapy Trails in your region. ANFT maintains a directory of certified locations and guides. Some healthcare systems now incorporate forest therapy into preventive medicine and rehabilitation programs.