
About INAKAdventure
Your Expert Partner in Realizing Unforgettable Travel Experiences
About Yasutoshi Koga
Architect and Fieldworker for Your Travel Experience
Hi, I am Yasutoshi Koga, the sole face behind INAKAdventure.
I am a seasoned professional in travel and tourism for foreign visitors to Japan and a self-employed business owner who runs and operates INAKAdventure. Also, I am an avid traveler myself, having traveled in 40 countries overseas so far in my life.
I was born and raised in Yamaga, Kumamoto, and later lived in various countries abroad for about 15 years after I left Japan in my late twenties. I am now back in Kyushu where I enjoy sharing the beauty of inaka, the Japanese countryside, with my clients.
Through my many years of itinerant life, I experienced the diverse cultures of the world and deepened my understanding of different cultures. At the same time, this led to a renewed awareness of Japanese culture, especially the traditional one.
Why Work with Me?
My extensive international experience, combined with my linguistic skills and deep understanding of cultural nuances, make me an invaluable partner in travel and tourism for clients.
Since I founded the business with its underlying philosophy to connect different cultures by language, I have been pursuing this mission as a cross-cultural exchange agent.
By choosing me, you are partnering with a professional committed to delivering exceptional travel experiences that connect people and cultures in meaningful ways.
ONSEN stay
Architect (Travel Designer) and Fieldworker (Tour Guide) together
I am the two, not just either one only, and the two functions complement each other.
The constant, accumulating, first-hand experience and learning in the local field as a fieldworker make my function as an architect viable and have formed the foundations of INAKAdventure over the years. I strive to put them all in my services.
Professional human services are at the core of INAKAdventure, and all the services are always done by me, the same single professional, as opposed to the division of labor where disconnected individuals take segmented work.
Into INAKA in quest of 風土
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"風土" (pronounced fuudo or ɸɯɯdo) is a concept that comprehensively describes the geographic, climatic, and cultural characteristics unique to a given land or environment.
Specifically, it includes the following elements.
Natural environmental elements:
Climate and weather conditions
Topography and geology
Landscape
Cultural elements:
Local values and ways of thinking
Traditions and customs
Lifestyles of the people
Social elements:
The way social institutions and organizations work
Behavioral patterns and temperaments of the people
"風土" is seen as a comprehensive concept that affects not only the natural environment but also the culture and spirituality of the people who live there.
INAKAdventure inspires you to travel INAKA, the countryside and leads you to the realization of your 風土 (fuudo) adventure.
INAKA provides a stage for living in harmony with nature far away from the metropolis. Breathtaking local scenes that cannot be found in routine sightseeing areas, the thankful smiles of people blessed with the wonders of nature, the untrodden, rough mountains and rivers, and the local cuisine that can only be enjoyed there.
INAKAdventure will treat you to the joys of 風土, a natural environment that is embodied in a local lifestyle and cultural landscape that show local colors. With characteristics that vary from area to area, 風土 not only refers to the climate but also includes geographical formations, the sea and rivers, soil, flora, and even historical buildings and structures, etc.
The quintessence of 風土 is found in INAKA, the countryside, and INAKAdventure will take you into INAKA of Kyushu, an island with a rich diversity of 風土, which is located on the southwestern edge of the Japanese archipelago.
What type of 風土 do you hope to encounter in Kyushu? All you have to do is tell me your wishes, and I, as an experienced travel designer and tour guide, will accompany you to create an optimal personalized journey and then spirit you away on an adventure to discover your own 風土.

Ready for your own INAKAdventure?
Let’s discover your own personal 風土 together on a tailor-made Kyushu tour.