Recommended Facilities


Hotel Trinity Shosai
The Trinity Shosai is a hotel frequented by many people from the Tokyo metropolitan area, including Chiba. All rooms are appointed with beautifully-designed Italian furnishings.

During your stay, enjoy the “Restaurant Boulogne” on the 1st floor and pay a visit to the “Esthetic Salon Jour Ferie" on the 16th floor.

Canadian log house
These are villa-style accommodations, built with Canada cypress, and scattered throughout the quiet woods of Boso in Chiba.

Each room is equipped with full bathroom and refrigerator.

You may choose the kind of room you prefer from five different types to suit your purpose and the number of people in your party.


Japanese restaurant SUISU-TEI (Original Swiss embassy)
Located in the old Swiss embassy, which has been carefully preserved, we offer elegant multi-course meals to everyone’s taste.

The restaurant also features a wonderfully nostalgic Japanese-style gift shop for you to enjoy.

Open hours Lunch 11:00-15:00 (Last order:14:00) *Advance reservation only.
Dinner 17:00-21:30 (Last order:20:30)
Close Not fixed
(The restaurant reserves the right to close to the public under certain circumstances and when booked exclusively by a single party.)

Restaurant Boulogne
The Restaurant Boulougne is located on the first floor of the hotel Trinity Shosai.

It can be used as a buffet restaurant in the morning and at lunch time, and as a party venue in the evening. Seafood and mountain vegetables taken on that day are carefully selected and prepared by our veteran chefs. With advance notice, we also accept orders for special menus.

Open hours Breakfast buffet 7:00-10:00 (Last visiting time:9:30)
Lunch beffet 11:30-14:30
Business hours for lunch is 90-minutes system on weekends, holidays and during the peak seasons.
Close Not fixed
(The restaurant reserves the right to close to the public under certain circumstances and when booked exclusively by a single party.)

Restaurant Le Sport
This is a buffet restaurant for the exclusive use of groups and is located on the 1st floor of the Japan Medical Training Center.

Our exclusive chefs welcome you with a wide variety of dishes.

Golf Garden Restaurant THE GRILL in Manna Course Club House
The Grill offers cuisine made with ingredients from Chiba Prefecture.

Please enjoy our seasonal fare, such as from the Grand Lunch menu and Sweets menu.

*Please contact us for more information.

Golf Garden Restaurant THE GRILL in Gary Player Course Club House

We welcome you to the year-round lunch buffet, with a menu changing weekly.

Depending on the season, you can also enjoy the experience of making plum wine. In this, we offer everyone a hospitality that goes beyond the usual realm of the restaurant.

*Please contact us for more information.


Manna Country Club
Spreading across the gently sloping grounds is the Manna Country Club (a total of 45 holes).

It is a beautiful garden-style course on a flat layout. Because the view changes with the blooming of the seasonal flowers, this superlative course has been referred to as the “Flower Calendar of Manna”.

» Manna Country Club

Gary Player Course
This course offers a choice of five tee grounds and cart paths, for the enjoyment of men and women of all ages.

This is a strategic 18-hole course, designed by Gary Player, one of the greatest golfers of all time.

» Manna Country Club

Japan Medical Training Center

Enjoy a variety of activities in nature.
This facility is certified as an approved health promotion facility by the Minister of Health, Labor and Welfare. It features exercise therapy facilities which prepare a variety of health classes and measurements of physical fitness as specified by the Ministry of Health, Labor and Welfare.

Under the guidance of instructors for all activities, you can find your favorite way to keep fit.In addition, we offer various health classes and fitness programs for you to enjoy while getting fit!

Indoor facilities Indoor 200m track, training machine, multi-purpose gymnasium, indoor pool, exercise bikes, dance room
Outdoor facilities 400m track, archery range, tennis courts, finnenban, Football ground, Rugby ground
Open hours Mon- Sat and the day before holidays  9:00-20:00 (Big baths, Sauna 10:30-)
Sun and holidays 9:00-19:00 (Big baths, Sauna 10:30-)


New activities are debuting one after another!
From the USA and Europe, we bring you the forest adventure, “Tarzania”! It features a 445-meter long zip slide, the longest in Japan!

Everyone from children to adults will love this exciting adventure-land, filled with activities!

» Tarzania
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