A serene outdoor Japanese hot spring (onsen) with a rock-lined pool of water, set under a traditional wooden pavilion with exposed beams. A small wooden spout pours water into the pool, which is surrounded by lush green plants and a stone wall.

Magma Resort Shimobe

All-Inclusive Family Resort in Yamanashi

A serene outdoor Japanese hot spring (onsen) with a rock-lined pool of water, set under a traditional wooden pavilion with exposed beams. A small wooden spout pours water into the pool, which is surrounded by lush green plants and a stone wall.

Magma Resort Shimobe

All-Inclusive Family Resort in Yamanashi

A serene outdoor Japanese hot spring (onsen) with a rock-lined pool of water, set under a traditional wooden pavilion with exposed beams. A small wooden spout pours water into the pool, which is surrounded by lush green plants and a stone wall.

Magma Resort Shimobe

All-Inclusive Family Resort in Yamanashi

An energetic indoor performance by Japanese taiko drummers, their arms a blur of motion as they powerfully strike a massive ōdaiko drum with wooden sticks in front of an audience. In the background, a row of lit paper lanterns hangs from the ceiling.
An energetic indoor performance by Japanese taiko drummers, their arms a blur of motion as they powerfully strike a massive ōdaiko drum with wooden sticks in front of an audience. In the background, a row of lit paper lanterns hangs from the ceiling.
An energetic indoor performance by Japanese taiko drummers, their arms a blur of motion as they powerfully strike a massive ōdaiko drum with wooden sticks in front of an audience. In the background, a row of lit paper lanterns hangs from the ceiling.

Welcome to
the real Shimobe

Nestled in the historic Shimobe Onsen village in Yamanashi Prefecture, MAGMA Resort offers a unique, all-inclusive retreat. We are the premier destination for families, couples, and travelers seeking an authentic Japanese vacation without the stress of planning.


Forge genuine connections—with local culture, the nature of Yamanashi, our healing baths, and most importantly, with each other.

schedule your visit →

Small by design

Our small size is our greatest strength. It allows us to offer a deeply personalized experience, a rare find in Japanese resorts.


Forget the crowds; we craft tailor-made schedules with activities designed to delight every member of your family or group.

A serene outdoor scene where two people in traditional yukata relax at a Japanese foot bath (ashiyu). They are seated on a wooden veranda, soaking their feet in a long trough of water that overlooks a tranquil pond with a small, rocky island covered in lush bamboo trees.
A serene outdoor scene where two people in traditional yukata relax at a Japanese foot bath (ashiyu). They are seated on a wooden veranda, soaking their feet in a long trough of water that overlooks a tranquil pond with a small, rocky island covered in lush bamboo trees.
A serene outdoor scene where two people in traditional yukata relax at a Japanese foot bath (ashiyu). They are seated on a wooden veranda, soaking their feet in a long trough of water that overlooks a tranquil pond with a small, rocky island covered in lush bamboo trees.

✼✼✼

“Here, every moment is an invitation to reconnect—with nature, with culture,

with yourself.”

“Here, every moment is an invitation to reconnect—with nature, with culture, with yourself.”

An elegant, multi-sided wooden onsen bath sits under a timber pavilion at night. The entire scene is warmly illuminated, highlighting a stone water feature in the center of the bath and a landscaped rock garden with bare trees in the background.
An elegant, multi-sided wooden onsen bath sits under a timber pavilion at night. The entire scene is warmly illuminated, highlighting a stone water feature in the center of the bath and a landscaped rock garden with bare trees in the background.
An elegant, multi-sided wooden onsen bath sits under a timber pavilion at night. The entire scene is warmly illuminated, highlighting a stone water feature in the center of the bath and a landscaped rock garden with bare trees in the background.

Matsu Bokkuri-no-yu (pinecone bath)

Our Healing Onsen

As a premier Shimobe onsen resort, we invite you to explore our twelve unique bathing experiences. Our mineral-rich waters are designed for profound relaxation and rejuvenation.


Discover open-air baths for a soak under the stars, tranquil indoor baths, and even private onsen with handicap access. Our family-friendly approach includes gentle foot baths, perfect for introducing children to Japan's cherished onsen culture.

A large, rectangular Japanese onsen bath, made of light-colored wood, sits under a pavilion with an impressive exposed-beam timber roof. The open-sided structure offers a panoramic view of a tranquil Japanese courtyard garden with mossy rocks, trees, and covered walkways.
A large, rectangular Japanese onsen bath, made of light-colored wood, sits under a pavilion with an impressive exposed-beam timber roof. The open-sided structure offers a panoramic view of a tranquil Japanese courtyard garden with mossy rocks, trees, and covered walkways.
A large, rectangular Japanese onsen bath, made of light-colored wood, sits under a pavilion with an impressive exposed-beam timber roof. The open-sided structure offers a panoramic view of a tranquil Japanese courtyard garden with mossy rocks, trees, and covered walkways.

hotaru-no-yu (firefly bath)

A joyful farmer in a black beanie and jacket stands in a golden field, smiling as he holds a large armful of freshly harvested rice stalks.
A joyful farmer in a black beanie and jacket stands in a golden field, smiling as he holds a large armful of freshly harvested rice stalks.
A joyful farmer in a black beanie and jacket stands in a golden field, smiling as he holds a large armful of freshly harvested rice stalks.

A Taste of Yamanashi

Your all-inclusive stay features our celebrated Yamanashi kaiseki dining. This multi-course culinary art form tells the story of the seasons. Our chefs create a journey for the senses, using farm-to-table ingredients like fresh mountain vegetables, river fish, and other regional delicacies.


It's a sophisticated experience for adults and a delightful culinary adventure for children, making it the perfect shared meal during your family holiday in Japan.

Experiences
& Activities

Make your own Washi paper

Learn the art of Japanese papermaking in a hands-on workshop. An expert will guide you in crafting beautiful, textured washi paper to take home as a unique, handmade souvenir.

Guided Forest Bathing (Shinrin-yoku)

Experience Shinrin-yoku, the Japanese practice of forest bathing. This is not a hike, but a gentle, mindful walk through our native woods designed to quiet the mind and reduce stress.

Guided Tasting of Local Sake

Savor the pure, clean taste of Yamanashi. Join our guided tasting of premium local sakes, crafted from the region's pristine mountain waters.

Minobu-san Ropeway & Sacred Temple Waterfalls

Soar up the Minobu-san Ropeway for stunning Fuji views, then discover the sacred Kuon-ji Temple and its serene mountain waterfalls.

Restorative Yoga

Unwind and release deep-seated tension in our Restorative Yoga class. This gentle, slow-paced practice uses supportive props to help you relax your body and quiet your mind, leaving you feeling profoundly calm and refreshed.

100+ more activities

A group of women participates in a yoga or meditation class in the serene courtyard of a traditional Japanese building. Viewed from behind, they sit cross-legged on mats arranged on the gravel, facing the building and surrounded by a manicured moss and rock garden.
A white ropeway gondola is suspended on thick cables high above layers of hazy blue mountain ranges. In the distance, the iconic, snow-capped volcanic peak of Mount Fuji rises majestically against a clear, bright blue sky.
A carefully arranged still life of five different bottles of Japanese sake and three small ceramic tasting cups on a wooden table. The setting is a traditional Japanese room with shoji screens and a warm pendant light, suggesting a formal sake tasting.
A view from behind a line of hikers on a narrow dirt trail that winds through a dense forest of tall, straight trees. The hiker at the back of the line wears a bright blue jacket, a beanie, and carries a backpack.
A close-up of a person's hands and arms making traditional handmade Japanese paper (washi). They are holding a large, rectangular wooden screen and dipping it into a vat of water and pulp to form a sheet.

Experiences
& Activities

A group of women participates in a yoga or meditation class in the serene courtyard of a traditional Japanese building. Viewed from behind, they sit cross-legged on mats arranged on the gravel, facing the building and surrounded by a manicured moss and rock garden.
A white ropeway gondola is suspended on thick cables high above layers of hazy blue mountain ranges. In the distance, the iconic, snow-capped volcanic peak of Mount Fuji rises majestically against a clear, bright blue sky.
A carefully arranged still life of five different bottles of Japanese sake and three small ceramic tasting cups on a wooden table. The setting is a traditional Japanese room with shoji screens and a warm pendant light, suggesting a formal sake tasting.
A view from behind a line of hikers on a narrow dirt trail that winds through a dense forest of tall, straight trees. The hiker at the back of the line wears a bright blue jacket, a beanie, and carries a backpack.
A close-up of a person's hands and arms making traditional handmade Japanese paper (washi). They are holding a large, rectangular wooden screen and dipping it into a vat of water and pulp to form a sheet.

Make your own Washi paper

Learn the art of Japanese papermaking in a hands-on workshop. An expert will guide you in crafting beautiful, textured washi paper to take home as a unique, handmade souvenir.

Guided Forest Bathing (Shinrin-yoku)

Experience Shinrin-yoku, the Japanese practice of forest bathing. This is not a hike, but a gentle, mindful walk through our native woods designed to quiet the mind and reduce stress.er is a design tool that allows you to design websites on a freeform canvas, and then publish them as websites with a single click.

Guided Tasting of Local Sake

Savor the pure, clean taste of Yamanashi. Join our guided tasting of premium local sakes, crafted from the region's pristine mountain waters.

Minobu-san Ropeway & Sacred Temple Waterfalls

Soar up the Minobu-san Ropeway for stunning Fuji views, then discover the sacred Kuon-ji Temple and its serene mountain waterfalls.

Restorative Yoga

Unwind and release deep-seated tension in our Restorative Yoga class. This gentle, slow-paced practice uses supportive props to help you relax your body and quiet your mind, leaving you feeling profoundly calm and refreshed.

100+ more activities

Experiences
& Activities

Make your own Washi paper

Learn the art of Japanese papermaking in a hands-on workshop. An expert will guide you in crafting beautiful, textured washi paper to take home as a unique, handmade souvenir.

Guided Forest Bathing (Shinrin-yoku)

Experience Shinrin-yoku, the Japanese practice of forest bathing. This is not a hike, but a gentle, mindful walk through our native woods designed to quiet the mind and reduce stress.

Guided Tasting of Local Sake

Savor the pure, clean taste of Yamanashi. Join our guided tasting of premium local sakes, crafted from the region's pristine mountain waters.

Minobu-san Ropeway & Sacred Temple Waterfalls

Soar up the Minobu-san Ropeway for stunning Fuji views, then discover the sacred Kuon-ji Temple and its serene mountain waterfalls.

Restorative Yoga

Unwind and release deep-seated tension in our Restorative Yoga class. This gentle, slow-paced practice uses supportive props to help you relax your body and quiet your mind, leaving you feeling profoundly calm and refreshed.

100+ more activities

A group of women participates in a yoga or meditation class in the serene courtyard of a traditional Japanese building. Viewed from behind, they sit cross-legged on mats arranged on the gravel, facing the building and surrounded by a manicured moss and rock garden.
A white ropeway gondola is suspended on thick cables high above layers of hazy blue mountain ranges. In the distance, the iconic, snow-capped volcanic peak of Mount Fuji rises majestically against a clear, bright blue sky.
A carefully arranged still life of five different bottles of Japanese sake and three small ceramic tasting cups on a wooden table. The setting is a traditional Japanese room with shoji screens and a warm pendant light, suggesting a formal sake tasting.
A view from behind a line of hikers on a narrow dirt trail that winds through a dense forest of tall, straight trees. The hiker at the back of the line wears a bright blue jacket, a beanie, and carries a backpack.
A close-up of a person's hands and arms making traditional handmade Japanese paper (washi). They are holding a large, rectangular wooden screen and dipping it into a vat of water and pulp to form a sheet.
A bright, traditional Japanese room featuring tatami floors, a low central table with floor chairs, shoji screens, and a decorative alcove with a hanging scroll painting.

Suite B — A larger, private corner suite offering a quiet and peaceful stay.

A bright, traditional Japanese room featuring tatami floors, a low central table with floor chairs, shoji screens, and a decorative alcove with a hanging scroll painting.

Suite B — A larger, private corner suite offering a quiet and peaceful stay.

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A wide-angle view of a spacious, traditional Japanese interior with tatami mat floors. To the right is a bright living area with a low table, floor cushions, and shoji screen windows. To the left, a more rustic space features a sunken irori hearth with a decorative pot hook hanging from the ceiling.
A wide-angle view of a spacious, traditional Japanese interior with tatami mat floors. To the right is a bright living area with a low table, floor cushions, and shoji screen windows. To the left, a more rustic space features a sunken irori hearth with a decorative pot hook hanging from the ceiling.
A wide-angle view of a spacious, traditional Japanese interior with tatami mat floors. To the right is a bright living area with a low table, floor cushions, and shoji screen windows. To the left, a more rustic space features a sunken irori hearth with a decorative pot hook hanging from the ceiling.

Suite A — Our largest suites, ideal for groups and families seeking an open, spacious retreat.

Our rooms

Unwind in the timeless comfort of our traditional Japanese rooms. Featuring warm wood and classic tatami floors, we have the perfect retreat for every traveler after a day of exploring Yamanashi.

A hotel guest room that fuses traditional Japanese design with modern amenities. A raised platform with tatami mat flooring holds a low table and a bed with white linens. The lower, carpeted area in the foreground contains a modern wooden desk and chair, and a vanity with a black vessel sink.
A hotel guest room that fuses traditional Japanese design with modern amenities. A raised platform with tatami mat flooring holds a low table and a bed with white linens. The lower, carpeted area in the foreground contains a modern wooden desk and chair, and a vanity with a black vessel sink.
A hotel guest room that fuses traditional Japanese design with modern amenities. A raised platform with tatami mat flooring holds a low table and a bed with white linens. The lower, carpeted area in the foreground contains a modern wooden desk and chair, and a vanity with a black vessel sink.

Standard — Our classic, cozy rooms offering an authentic and comfortable Japanese experience.

Kids Academy

Our unique kids' camp isn't just about keeping children entertained. It’s a gentle immersion into Japanese culture and nature.


From local folklore storytelling and nature art to introductory calligraphy and guided "Tanuki Trails," your children will create lasting memories and learn through joyful discovery.

A joyful and energetic group of children and adults from our kids academy laughing together during a lively ball-tossing game. Participants are wearing red and blue pinnies in front of a stage with a red curtain, with several red balls caught in mid-air.

Dynamic Dodgeball Fun — Watch them leap and laugh in a spirited game of dodgeball! This supervised activity is designed to bring joy, teamwork, and excitement to their day at the resort.

An instructor at our kids academy provides focused, one-on-one guidance to a young student during a hands-on craft workshop. The boy concentrates intently on his project at a yellow table while the teacher leans in to assist.

Create a Cultural Keepsake — Immerse your child in the beauty of Japanese tradition. In our hands-on workshops, they will create a unique piece of art to cherish as a special memory of their vacation.

Showcasing the hands-on, outdoor education at our kids academy, two young students crouch in a garden, looking with curiosity and excitement as they help harvest fresh root vegetables into a crate.

Little Hands in the Garden — Let them connect with the earth in our special resort farm. This is a wonderful opportunity for children to learn where fresh food comes from and cultivate a love for nature.

Our kids academy's nature exploration program in action, as a group of curious students crouch together in a sun-dappled, leafy thicket, fully engaged in discovering the wonders of the natural world.

A Forest Story Unfolds — Every step tells a tale on our Tanuki Trails. Search for clues left by the mischievous tanuki and learn about the wonders of the local ecosystem.

As part of the cultural and culinary experiences at our kids academy, a young student with a curious expression takes a bite of a whole grilled fish served on a traditional wooden skewer.

Reel in a Delicious Reward — Feel the excitement of the catch, then the satisfaction of the cook! Kids learn to fish before grilling and savoring their very own tasty, fresh-caught meal.

Kids Academy

Our unique kids' camp isn't just about keeping children entertained. It’s a gentle immersion into Japanese culture and nature.


From local folklore storytelling and nature art to introductory calligraphy and guided "Tanuki Trails," your children will create lasting memories and learn through joyful discovery.

A joyful and energetic group of children and adults from our kids academy laughing together during a lively ball-tossing game. Participants are wearing red and blue pinnies in front of a stage with a red curtain, with several red balls caught in mid-air.

Dynamic Dodgeball Fun — Watch them leap and laugh in a spirited game of dodgeball! This supervised activity is designed to bring joy, teamwork, and excitement to their day at the resort.

An instructor at our kids academy provides focused, one-on-one guidance to a young student during a hands-on craft workshop. The boy concentrates intently on his project at a yellow table while the teacher leans in to assist.

Create a Cultural Keepsake — Immerse your child in the beauty of Japanese tradition. In our hands-on workshops, they will create a unique piece of art to cherish as a special memory of their vacation.

Showcasing the hands-on, outdoor education at our kids academy, two young students crouch in a garden, looking with curiosity and excitement as they help harvest fresh root vegetables into a crate.

Little Hands in the Garden — Let them connect with the earth in our special resort farm. This is a wonderful opportunity for children to learn where fresh food comes from and cultivate a love for nature.

Our kids academy's nature exploration program in action, as a group of curious students crouch together in a sun-dappled, leafy thicket, fully engaged in discovering the wonders of the natural world.

A Forest Story Unfolds — Every step tells a tale on our Tanuki Trails. Search for clues left by the mischievous tanuki and learn about the wonders of the local ecosystem.

As part of the cultural and culinary experiences at our kids academy, a young student with a curious expression takes a bite of a whole grilled fish served on a traditional wooden skewer.

Reel in a Delicious Reward — Feel the excitement of the catch, then the satisfaction of the cook! Kids learn to fish before grilling and savoring their very own tasty, fresh-caught meal.

Kids Academy

Our unique kids' camp isn't just about keeping children entertained. It’s a gentle immersion into Japanese culture and nature.


From local folklore storytelling and nature art to introductory calligraphy and guided "Tanuki Trails," your children will create lasting memories and learn through joyful discovery.

A joyful and energetic group of children and adults from our kids academy laughing together during a lively ball-tossing game. Participants are wearing red and blue pinnies in front of a stage with a red curtain, with several red balls caught in mid-air.

Dynamic Dodgeball Fun — Watch them leap and laugh in a spirited game of dodgeball! This supervised activity is designed to bring joy, teamwork, and excitement to their day at the resort.

An instructor at our kids academy provides focused, one-on-one guidance to a young student during a hands-on craft workshop. The boy concentrates intently on his project at a yellow table while the teacher leans in to assist.

Create a Cultural Keepsake — Immerse your child in the beauty of Japanese tradition. In our hands-on workshops, they will create a unique piece of art to cherish as a special memory of their vacation.

Showcasing the hands-on, outdoor education at our kids academy, two young students crouch in a garden, looking with curiosity and excitement as they help harvest fresh root vegetables into a crate.

Little Hands in the Garden — Let them connect with the earth in our special resort farm. This is a wonderful opportunity for children to learn where fresh food comes from and cultivate a love for nature.

Our kids academy's nature exploration program in action, as a group of curious students crouch together in a sun-dappled, leafy thicket, fully engaged in discovering the wonders of the natural world.

A Forest Story Unfolds — Every step tells a tale on our Tanuki Trails. Search for clues left by the mischievous tanuki and learn about the wonders of the local ecosystem.

As part of the cultural and culinary experiences at our kids academy, a young student with a curious expression takes a bite of a whole grilled fish served on a traditional wooden skewer.

Reel in a Delicious Reward — Feel the excitement of the catch, then the satisfaction of the cook! Kids learn to fish before grilling and savoring their very own tasty, fresh-caught meal.

All-inclusive

Our all-inclusive philosophy ensures your stay is seamless. From our celebrated dining and access to our twelve distinct onsen, to a wealth of curated activities for all ages, we handle the details so your family can focus on discovery and relaxation.


Here you’ll find no hidden costs, just hidden gems. Explore freely, knowing your core experiences, exquisite meals, and onsen journey are covered.

Two families enjoy a relaxing foot bath (ashiyu) on a wooden deck that overlooks a large pond filled with colorful koi fish.
Two families enjoy a relaxing foot bath (ashiyu) on a wooden deck that overlooks a large pond filled with colorful koi fish.
Two families enjoy a relaxing foot bath (ashiyu) on a wooden deck that overlooks a large pond filled with colorful koi fish.
A group of travelers hiking through a forest path in Minobu, Japan. The mountain is a lush green with the town below peeking through the trees.
A group of travelers hiking through a forest path in Minobu, Japan. The mountain is a lush green with the town below peeking through the trees.
A group of travelers hiking through a forest path in Minobu, Japan. The mountain is a lush green with the town below peeking through the trees.

Infinitely personal

Our small size means our team gets to know you and your loved ones, offering intuitive and heartfelt omotenashi (Japanese hospitality).


Be a part of a community, not a crowd. Enjoy a tranquil atmosphere where you can truly connect with what matters most.

Your authentic Japanese escape awaits

Immerse in healing waters, savor exquisite cuisine, and create memories that will last a lifetime.

Book your stay

Book your stay

Book your stay