Book at KOS Restaurant&Hotel / KOS Restaurant&Hotel

● Please note that we may not be able to accommodate requests regarding seat assignments.
● If we cannot reach you 30 minutes after your reserved time, we may have to cancel your reservation. Therefore, please be sure to contact us if you’re running late.
● For reservations of 11 or more people, please contact the restaurant directly.
● During dinner hours, children aged 12 and above are permitted to enter.

<BBQ Plan Information>
The BBQ plan is offered in two sessions: 【Starts at 11:00】 or 【Starts at 15:00】.

■ Starts at 11:00
・Meeting time: 10:50
・Experience time: 11:00–14:00

■ Starts at 15:00
・Meeting time: 14:50
・Experience time: 15:00–18:00

※If children will also be participating in the BBQ, please select the appropriate number of BBQ menus for them when making your reservation.

For inquiries by phone: 0555-75-0437
12 years and under
5 years and under
Premium firewood-cooked course featuring ingredients and seasonal flavors from the foot of Mount Fuji
Premium firewood-cooked course featuring ingredients and seasonal flavors from the foot of Mount Fuji
¥ 18,700 (Tax incl.)
Advance purchase required
Amuse-bouche: 3 amuse-bouche selections of the day
Premier: Snow crab in sesame blancmange
Deuxième: Beef tongue consommé
Fish: “Fuji no Sue” with local vegetables and white wine sauce
Meat: Koshu beef or local game meat served with clay-pot rice and salad
Cheese: Cheese selection of the day
Dessert: Chocolate terrine
Coffee or Tea
※The menu is provided as a sample. As we use seasonal ingredients, the offerings may vary.
Meals
Dinner
Order Limit
2 ~
Seat Category
Counter, Table
Read more
Fire-cooked cuisine course featuring ingredients and seasonal flavors from the foot of Mount Fuji
Fire-cooked cuisine course featuring ingredients and seasonal flavors from the foot of Mount Fuji
¥ 14,300 (Tax incl.)
Advance purchase required
Amuse-bouche　Today’s amuse
Premier　Tuna with fruit tomatoes from Lake Kawaguchi
Deuxième　Beef tongue in consommé
Poisson　“Fuji no Sue” – local vegetables with white wine sauce
Viande　Koshu Wine Beef rice cooked in a clay pot, salad
Dessert　Chocolate terrine
Coffee or Tea
※The menu is provided as a sample. As we use seasonal ingredients, the contents may change.
Meals
Dinner
Order Limit
2 ~
Seat Category
Counter, Table
Read more
BBQ Plan – Standard
BBQ Plan – Standard
¥ 8,000 (Tax incl.)
Advance purchase required
While enjoying the breathtaking views along the shores of Lake Kawaguchi, you can savor a 【Premium Restaurant-Style BBQ】 crafted by top chefs♪

Featuring an abundance of local ingredients, this special menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as wild game unique to Yamanashi such as deer and boar caught in the mountains. Highlights include homemade game sausages, marinated dishes, whitebait alioli, and daily-changing skillet dishes—all prepared with great care. The seasonal menu changes add even more appeal to this unforgettable dining experience.
Order Limit
2 ~
Seat Category
Terrace
Read more
BBQ Plan: Deluxe
“A deluxe course that includes the standard course meals plus Wagyu beef tongue.”
BBQ Plan: Deluxe
¥ 10,000 (Tax incl.)
Advance purchase required
While enjoying the breathtaking views of Lake Kawaguchi, you can savor a 【Premium Restaurant-Style BBQ】 crafted by top chefs♪

Featuring an abundance of local ingredients, this special menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as game meats unique to Yamanashi such as deer and wild boar caught in the mountains. You’ll also find homemade game sausages, marinated dishes, whitebait in garlic oil, and daily-changing skillet dishes—all prepared with great care. The seasonal menu changes add even more appeal to the experience.
Order Limit
2 ~
Seat Category
Terrace
Read more
BBQ Plan – Premium
“A premium course that includes Koshu beef fillet in addition to the standard course meals.”
BBQ Plan – Premium
¥ 11,500 (Tax incl.)
Advance purchase required
While enjoying the breathtaking views of Lake Kawaguchi, you can savor a 【Premium Restaurant-Style BBQ】 crafted by a top chef♪

Featuring an abundance of local ingredients, this special menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as wild game unique to Yamanashi such as deer and boar caught in the mountains. You’ll also find homemade game sausages, marinated dishes, whitebait alioli, and daily-changing skillet dishes—all prepared with great care. The seasonal menu changes add even more charm to the experience.
Order Limit
2 ~
Seat Category
Terrace
Read more
Add-on
BBQ Plan – Kids’ Menu
BBQ Plan – Kids’ Menu
¥ 5,000 (Tax incl.)
Advance purchase required
The BBQ plan will be provided with the same contents as the Standard plan.
Seat Category
Terrace
Read more
BBQ Plan: Standard with All-You-Can-Drink
“In addition to the standard course, this plan includes a luxurious open bar featuring local sake, wine, beer, and more.”
BBQ Plan: Standard with All-You-Can-Drink
¥ 11,000 (Tax incl.)
Advance purchase required
In this experience, you can enjoy a 【premium restaurant-style BBQ】 crafted by a top chef while taking in the breathtaking views along the shores of Lake Kawaguchi♪

Featuring an abundance of local ingredients, the menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as game meats unique to Yamanashi such as deer and wild boar caught in the mountains. Highlights include homemade game sausages, marinated dishes, whitebait alioli, and daily-changing skillet dishes—all prepared with great care. The seasonal menu changes add even more appeal to this special experience.
Order Limit
2 ~
Seat Category
Terrace
Read more
BBQ Plan Deluxe with All-You-Can-Drink
“A deluxe course that includes the standard menu items, black Wagyu tongue, and a lavish open bar featuring local sake, wine, beer, and more.”
BBQ Plan Deluxe with All-You-Can-Drink
¥ 13,000 (Tax incl.)
Advance purchase required
While enjoying the breathtaking views of Lake Kawaguchi, you can savor a 【Premium Restaurant-Style BBQ】 crafted by a top chef♪

Featuring an abundance of local ingredients, this special menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as wild game unique to Yamanashi such as deer and boar caught in the mountains. Highlights include homemade game sausages, marinated dishes, whitebait alioli, and daily-changing skillet dishes. The ever-changing seasonal menu is another delightful feature.
Order Limit
2 ~
Seat Category
Terrace
Read more
BBQ Plan Premium with All-You-Can-Drink
“A premium course that includes the standard menu items, Koshu beef fillet, and an abundant open bar featuring local sake, wine, beer, and more.”
BBQ Plan Premium with All-You-Can-Drink
¥ 14,500 (Tax incl.)
Advance purchase required
While enjoying the breathtaking views along the shores of Lake Kawaguchi, you can savor a 【Premium Restaurant-Style BBQ】 crafted by a top chef♪

Featuring an abundance of local ingredients, this special menu includes Wagyu beef, Koshu beef, Fuji Sakura pork, whitebait from Lake Kawaguchi, as well as wild game unique to Yamanashi such as deer and boar caught in the mountains. Highlights include homemade game sausages, marinated dishes, whitebait alioli, and daily-changing skillet dishes—all prepared with great care. The menu also changes seasonally, adding to its appeal.
Order Limit
2 ~
Seat Category
Terrace
Read more
Add-on
BBQ Plan – Kids’ Menu – All-You-Can-Drink
BBQ Plan – Kids’ Menu – All-You-Can-Drink
¥ 6,500 (Tax incl.)
Advance purchase required
The BBQ plan will be prepared with the same contents as the Standard plan.
Seat Category
Terrace
Read more
Seat reservations only
Seat reservations only
Please select the menu on the day.
Days
Sa, Su
Meals
Dinner
Seat Category
Counter, Table
Read more

Additional information

Guests with allergies or ingredients they dislike should specify them after confirming with their companions.
Example: Crab (broth also unacceptable) – 1 person

※If there are none, please write “None”.

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