Tochigi Experience, leisure, play reservation | Activity Japan

• Age 12～Age 70
• Within 1 hour /1～2 hours /2～3 hours /3～4 hours /4～5 hours
• 11:30

**This service is scheduled to be implemented from the end of April**This is a guide to short time rental using an E-bike. It is perfect for getting around the Oku-Nikko area using a bicycle. ★What is an E-bike? An E-bike is a bicycle that combines the driving performance of a sports bike with the assist function of an electric bicycle. While enjoying the speed and nimble riding of a sports bike, you can nimbly run through slopes and long-distance rides with electric assist. Apart from this plan, there is also a "self-guided" cycling tour where you can cycle the model course for each tour by yourself (without a guide). A dedicated navigation guide will guide you, so you don't have to worry about getting lost, so please consider using this as well.

• For Groups

• Age 15～Age 100
• 2～3 hours

Uneasy I want now to do a survival game, manners, rules, it will safety management, to the training sessions over the range, such as. It will be non-game opening day, but please contact us because it is possible from one person.

• Age 0～Age 100
• Within 1 hour /1～2 hours /2～3 hours /3～4 hours /4～5 hours /5～6 hours /Over 6 hours on the day

This is a full-scale mountain stream fishing spot that utilizes the rich nature of Miyori, deep in the mountains of Nikko City! You can fish leisurely while listening to the murmuring of the river, so even beginners can enjoy it with peace of mind.

• Pickup Service
• With Pets
• For Rainy Days
• For Groups
• For Family

• Age 6～Age 100
• Within 1 hour
• 11:00 / 12:00 / 13:00 / 14:00

★＋★＋★＋★＋★＋★＋★＋★＋★＋★"I can ride a real power shovel! It's a child's dream come true!!" Power Shovel Park is an attraction where you can operate a real working vehicle, Komatsu's "power shovel", in the cool forest of Nasu! You can enjoy it even on rainy days without getting dirty or sweating. If you have an hour to spare in Nasu, head to Power Shovel Park! Gyro Ride Park is also next door♪★＋★＋★＋★＋★＋★＋★＋★＋★＋★【Check here】★It's not just about moving back and forth and left and right! You can experience various things such as "digging the soil", "lifting stones", and "fishing by hooking firewood like yo-yo fishing"! ★Although it is a full-scale model, it is sized so that you can straddle it like a pony, so it is safe for children! We ask that children ride with you, so we often see parents getting enthusiastic about it together with their children♪★We place special emphasis on safety! We provide free rental of safety shoes and other equipment, services by trained staff, machine maintenance, and thorough elimination of potentially dangerous movements and operations. [Business hours] 10:00 to 16:00

• For Groups
• Activity Japan 2024 Fall Sale

• Age 10～Age 75
• Within 1 hour
• 11:00 / 12:00 / 13:00 / 14:00

★＋★＋★＋★＋★＋★＋★＋★＋★＋★"I can ride a real power shovel! It's a child's dream come true!!" Power Shovel Park is an attraction where you can operate a real working vehicle, Komatsu's "power shovel", in the cool forest of Nasu! You can enjoy it even on rainy days without getting dirty or sweating. If you have an hour to spare in Nasu, head to Power Shovel Park! Gyro Ride Park is also next door♪★＋★＋★＋★＋★＋★＋★＋★＋★＋★【Check here】★It's not just about moving back and forth and left and right! You can experience various things such as "digging the soil", "lifting stones", and "fishing by hooking firewood like yo-yo fishing"! ★Although it is a full-scale model, it is sized so that you can straddle it like a pony, so it is safe for children! We ask that children ride with you, so we often see parents getting enthusiastic about it together with their children♪★We place special emphasis on safety! We provide free rental of safety shoes and other equipment, services by trained staff, machine maintenance, and thorough elimination of potentially dangerous movements and operations. [Business hours] 10:00 to 16:00

• For Groups
• Activity Japan 2024 Fall Sale

• Age 0～Age 100
• Over 6 hours on the day

EDO WONDERLAND Nikko Edomura is a cultural park where you can experience the culture of the Edo period. On the vast grounds, streets, post towns, merchant districts, ninja villages, and samurai residences are recreated just like the real thing. Through contact with Edo people and experience events, you can feel the breath of Edo, and you can also change your clothes and become an Edo person. Five theaters where you can see plays, exhibition halls where you can learn about history and culture, and meals that you can only taste here. [Note] On the day of the event, it is necessary to present a [Voucher with a special QR code]. Please bring the voucher sent by message or email after booking and present it on the day. ※※Please present the voucher displayed on your smartphone directly at the Edo Wonderland Nikko Edomura ticket office. ※※※ Only [Voucher with exclusive QR code] will be presented, and it is not necessary to present Activity Japan reservation confirmation email and My Page. Please note that orders placed after 16:00 on weekdays or on Saturdays, Sundays, and public holidays will be shipped on the following business day.

• For Rainy Days
• For Groups
• For Family

• Age 3～Age 75
• 1～2 hours
• 10:00 / 12:00 / 13:00 / 14:00

This is a canoe experience tour at Itamuro Dam Lake, right near Nasu Plateau. Even beginners are welcome! Let's have a pleasant holiday ♪ *This plan is for "Tandem Kayak (2 to 3 people)". *Times differ between regular season and high season. [Regular season] ◆ Period April 20th to July 31st, September 1st to November 15th Morning session (10:00), Afternoon session (13:00) Twice a day [High season] ◆Period August 1st to August 31st Morning session (10:00), Afternoon session (14:00) Twice a day *If you are late, you may not be able to accept the application. Please be punctual.

• With Pets
• For Rainy Days
• For Groups

• Age 6～Age 75
• 1～2 hours
• 10:00 / 12:00 / 13:00 / 14:00

The main field is Koami Dam Lake, which is the confluence of the Kinugawa River and the Oga River that flow through Kawaji Onsen Town.Commonly known as ``Yumama'', the view from the lake is exceptional both in the fresh green season and the autumn leaves season. Beginners are welcome to other fields as well! Let's have fun and relax. Enjoy kayak touring with your family, friends, lover, and dog♪ *This plan is for a single kayak (one person). *The number of times and times of events are different between regular season and high season. [Regular season] ◆ Period 4/15 - 7/31, 9/1 - 12/8 Morning session (9:30), Afternoon session (12:30) Twice a day [High season] ◆ Period 8/ 1-8/31 *Currently, the ②12:00 session will be postponed. ① Part from 10:00 (Reception 9:00 to 9:45), ② Part from 12:00 (Reception starts from 11:00), ③ Part from 14:00 (Reception 13:00 to 13:45) 3 days a day *Please note that the reception time and start time are different. Please be punctual.

• Pickup Service
• With Pets
• For Groups

• Age 3～Age 75
• 1～2 hours
• 10:00 / 12:00 / 13:00 / 14:00

[Tochigi Only Koko can experience a Canadian canoe as a regular tour in the prefecture! ] The main field is Kawaji Hot spring A confluence of the Kinu and Oga rivers that flow through the city "Konet Dam Lake" Known as "Yumama" Fresh green, the scenery seen from the lake is also exceptional in the season of autumn leaves. Of course other fields are OK from the beginner! Let's spend time leisurely and leisurely. Let's enjoy touring with your family, friends, lovers and your dog ♪

• Pickup Service
• With Pets
• For Groups

• Age 3～Age 70
• 1～2 hours
• 10:00 / 12:00 / 13:00 / 14:00

This is a canoe experience tour at Itamuro Dam Lake, right near Nasu Plateau. Even beginners are welcome! Let's have a pleasant holiday ♪ *This plan is for a "single kayak (one person)". *The number of times and times of events are different between regular season and high season. [Regular season] ◆April 20th to July 31st, September 1st to November 15th Morning session (10:00), Afternoon session (13:00) Twice a day [High season]◆ August 1st to August 31st: Morning session (10:00), afternoon session (14:00) twice a day *If you are late, you may not be able to accept the application. Please be punctual.

• With Pets
• For Rainy Days
• For Groups

• Age 3～Age 75
• 1～2 hours
• 10:00 / 12:00 / 13:00 / 14:00

The main field is Koami Dam Lake, which is the confluence of the Kinugawa River and the Oga River that flow through Kawaji Onsen Town.Commonly known as ``Yumama'', the view from the lake is exceptional both in the fresh green season and the autumn leaves season. Beginners are welcome to other fields as well! Let's have fun and relax. Enjoy kayak touring with your family, friends, lover, and dog♪ *This plan is for a tandem kayak (2 to 3 people). *The number of times and times of events are different between regular season and high season. [Regular season] ◆ Period 4/15 - 7/31, 9/1 - 12/8 Morning session (9:30), Afternoon session (12:30) Twice a day [High season] ◆ Period 8/ 1-8/31 *Currently, we will not be holding the ②12:00 session. ① Part from 10:00 (Reception 9:00 to 9:45), ② Part from 12:00 (Reception starts from 11:00), ③ Part from 14:00 (Reception 13:00 to 13:45) 3 days a day *Please note that the reception time and start time are different. Please be punctual.

• Pickup Service
• With Pets
• For Groups

• Age 5～Age 80
• 1～2 hours
• 09:00 / 11:30 / 14:00

This is a plan for foreign customers who are not good at Japanese. You will be accompanied by an English-speaking guide. It is a picnic project using a kayak at Lake Chuzenji, Oku-Nikko, which is rich in nature! ! You can feel the unique natural environment of Oku-Nikko from the surface of the lake, get close to the huge Mizunara oak tree "Mother Tree", go a little offshore and see the majestic figure of Mt. Nantai at an altitude of 2486m. Let's enjoy kayaking at "Lake Chuzenji", a dream destination for kayaking enthusiasts! Access from the metropolitan area is also excellent. Even if you are completely new to kayaking, you will be riding a kayak with good stability, so there is little danger of capsizing, and everyone from small children to the elderly can enjoy kayaking safely and happily. Why not experience kayaking with your family, couples, or friends?

• With Pets
• For Rainy Days
• For Groups

• Age 5～Age 80
• 2～3 hours
• 09:30 / 13:30

The Nakagawa River in the Miyahara district of Nasukarasuyama City, known as the Arashiyama of the Kanto region, has a picturesque scenery. The current here is very calm, so even those who are new to kayaking can have a fun and safe kayaking experience. The Naka River, which originates from the Nasu Mountain Range, has a total length of approximately 150 km. It is one of the clearest streams in the Kanto region, flowing through Tochigi and Ibaraki prefectures and flowing into the Pacific Ocean from Oarai. During the tour you will see many plants, wild birds and fish. In autumn, you can also see wild salmon migrating upstream. We have top-class technology and risk management among outdoor companies in Tochigi Prefecture. Since opening in 2004, Kayak Planning has been updating its record of zero accident insurance coverage. As an option, we will prepare a special ayu set meal from Hinokiya, the largest Ochiishi sightseeing restaurant in the Naka River. Let's enjoy the delicious food of Naka River. Please enjoy the Naka River to the fullest.

• For Rainy Days
• For Groups

• Age 4～Age 100
• 2～3 hours
• 09:00 / 12:30

[Outdoor tour that can be enjoyed together from 4 years old to aunt] Enjoy the scenery and experience of relaxing on the surface of the water, rowing, and looking at it from a different line of sight at Lake Chuzenji, a summer resort at an altitude of about 1300 m. .. As a half-day tour, it is a long tour of about two and a half hours, which is a little longer. (* Our regular half-day tour is about an hour and a half.) Departure with camping chairs, small tables and tarps in a canoe! While looking at Mt. Nantai, the beach is reminiscent of a beach. Free time to land, play in the water, and relax. It is also good to enjoy floating in the shallow water with your family. It's also a blissful time to lie down and have a cup of coffee. After that, I will row back leisurely while feeling the pleasant breeze. You will be able to row well with a smile. It is also interesting to be able to proceed while changing the route depending on the wind and weather. "I want to stay here forever!" This is a tour where you can hear such a voice. * Please bring your own snacks and drinks.

• Activity Japan 2024 Fall Sale

• Age 4～Age 99
• 1～2 hours /2～3 hours
• 10:00 / 13:00

This is [10: 00 ~ 12: 00, 13: 00 ~ 15: 00 plan]. You can canoe around Lake Chuzenji, which is also a World Heritage Site. If you go over the lake by canoe, you will get a wonderful view that you can not see from the land. With a small number of people, the guide will give a lecture on how to ride and row a canoe in an easy-to-understand manner, so even beginners can rest assured! Please take this opportunity to enjoy the wonderful scenery.

• World Heritage
• With Pets
• For Rainy Days
• For Groups

• Age 11～Age 80
• 1～2 hours /2～3 hours
• 09:30 / 13:30

The Nakagawa River in the Miyahara district of Nasukarasuyama City, known as the Arashiyama of the Kanto region, has a picturesque scenery. The current here is very calm, so even those who are new to SUP (stand up paddleboarding) can enjoy the experience with peace of mind. The Naka River, which originates from the Nasu Mountain Range, has a total length of approximately 150 km. It is one of the clearest streams in the Kanto region, flowing through Tochigi and Ibaraki prefectures and flowing into the Pacific Ocean from Oarai. During the tour you will see many plants, wild birds and fish. In autumn, you can also see wild salmon migrating upstream. We have top-class technology and risk management among outdoor companies in Tochigi Prefecture. Since opening in 2004, Paddle Planning has been breaking records for zero accident insurance coverage. As an option, we will prepare a special ayu set meal from Hinokiya, the largest Ochiishi sightseeing restaurant in the Naka River. Let's enjoy the delicious food of Naka River. Please enjoy the Naka River to the fullest.

• For Rainy Days
• Activity Japan 2024 Fall Sale

• Age 4～Age 75
• 2～3 hours
• 05:00

This is [5: 00-7: 00 plan]. Canoe around the quiet early morning hours of Lake Chuzenji in Nikko, a World Heritage Site. The beautiful sunrise from Mt. Nantai and the mirror-like lake surface are the real pleasures of this tour. With a small number of people, the guide will give a lecture on how to ride and row a canoe in an easy-to-understand manner, so even beginners can participate with confidence! Please check that the meeting time will change according to the time of sunrise.

• World Heritage
• Pickup Service
• For Rainy Days
• For Groups

• Age 4～Age 99
• 2～3 hours
• 07:30

This is the [7: 30-9: 30 plan]. Canoe around the quiet morning hours of Lake Chuzenji in Nikko, a World Heritage Site. The water surface is very quiet and calm during the morning hours. With a small number of people, the guide will give a lecture on how to ride and row a canoe in an easy-to-understand manner, so even beginners can participate with confidence!

• For Rainy Days
• For Groups

• Age 11～Age 80
• 2～3 hours
• 09:30 / 13:30

Let's ride MTB (mountain bike) and cycle around "Kinugawa", a treasure trove of history and nature. On the tour, you can visit power spots, take a leisurely ride through the majestic countryside, or run along the Kinugawa River surrounded by the murmuring of the river. At the end of the tour, stop by the National Historic Site "Sanuki Stone Buddha". A stone Buddha is carved on a huge rock with a height of 64m. There is a "Kameiwa" on the top of the Sanuki stone Buddha, and it is said that there is a good omen to find it.

• Pickup Service
• For Rainy Days
• Activity Japan 2024 Fall Sale

• Age 11～Age 80
• 2～3 hours
• 09:30 / 13:30

・This is a guided pottering tour for those who want to know the charms of Kinugawa Onsen town that are not listed in guidebooks!・Pottering is the act of riding a bicycle slowly, like taking a walk. The bicycle used in this plan is a mountain bike.・The guide will help you learn about Kinugawa Onsen from various angles, including its history, culture, city guide, and nature. For example, the guide will provide detailed explanations of the ruins of the old battlefield where the only battle won during the Boshin War and the ruins of the old red-light district ♪ We will also show you various viewing spots! Full of highlights, including a tour of the various bridges that span the Kinugawa River (suspension bridges, Fureai Bridges)!・Unlike sightseeing on foot, you can go sightseeing by bicycle to areas that cannot be covered on foot.・When you're tired, you can stop by a sweets shop♪ Let's take a break at a sweets spot connected to the Tokugawa family.・We will also be stopping by a very popular tofu shop without a signboard that has been loved by locals for a long time, so please look forward to it!

• Pickup Service
• For Rainy Days
• For Groups
• Activity Japan 2024 Fall Sale

• Age 5～Age 80
• 2～3 hours /3～4 hours
• 09:30 / 13:30

There hasn't been much development work done, and the nostalgic scenery remains. You might even be able to see salmon swimming upstream in the fall. First-timers can enjoy river rafting.The Naka River, which originates from the Nasu Mountain Range, has a total length of approximately 150 km. It is one of the clearest streams in the Kanto region, flowing through Tochigi and Ibaraki prefectures and flowing into the Pacific Ocean from Oarai. The Nakagawa River near Nasukarasuyama City is wide and meandering, creating an old-fashioned natural landscape. There is a lot of untouched nature here, and it is one of the few clear streams in the Kanto region. During the tour, we saw many plants, wild birds, and fish. You'll also be able to see the riverbanks used for shipping during the Edo period. Especially in the fall, when you can see the autumn leaves from the river and see many salmon swimming upstream, you will be able to spend a luxurious time with many moving scenes. Let's enjoy rafting at a leisurely pace while entrusting ourselves to the flow. We are a top-class guide and risk management company among outdoor companies in Tochigi Prefecture. Since opening in 2004, we are currently breaking the record for zero accident insurance coverage for rafting and kayaking projects. Additionally, as an option, we offer a special ayu set meal from Hinokiya, one of the largest Ochiishi sightseeing restaurants in the Naka River. Let's enjoy the deliciousness of Naka River. Please take this opportunity to enjoy Nakagawa to the fullest.

• Pickup Service
• For Rainy Days
• For Groups

• Age 7～Age 80
• 2～3 hours
• 09:30 / 13:30

This is a plan for foreign customers who are not good at Japanese. You will be accompanied by an English-speaking guide. The rafting tour at Kinugawa Onsen will be an exhilarating rafting tour in the rich nature of Nikko and Kinugawa. Access from the metropolitan area is also excellent. Joining forces with your friends and getting splashed down the Kinugawa River feels great! At the point where the flow is gentle, you can enjoy the scenery of Kinugawa leisurely, or you can get off the boat and enjoy the fresh green and autumn leaves from the river. I am looking forward to Kinugawa rafting. From 7 to 80 years old, you can enjoy it with confidence.

• Pickup Service
• For Rainy Days
• For Groups

• Age 5～Age 80
• 2～3 hours
• 09:30 / 13:30

This plan is for foreign customers who are not good at Japanese. An English speaking guide will accompany you. This is for people who want to fully enjoy kayaking and playing in the river. The project will last approximately 3 hours from reception to dismissal. It is suitable for beginner kayakers and can be experienced with peace of mind. Since you will be using a shallow area with a gentle flow, there is almost no need to worry about tipping over.

• Pickup Service
• For Rainy Days
• For Groups

• Age 11～Age 80
• 2～3 hours
• 09:30 / 13:30

[For beginners] Nikko Kinugawa Onsen mountain biking off-road experience/mountain biking (mountain bicycle) This is a project for beginners.・We will explain how to ride and precautions before departure, so even first-timers don't have to worry!・First of all, in order to get used to mountain biking, after riding on a paved road, we will ride exhilaratingly through a wide forest road.・Once you get used to it, you will ride on a narrow dirt road (unpaved road) and experience a thrilling mountain bike ride.・The exhilarating feeling of running through a forest road is an experience that cannot be experienced in the city.・Enjoy the mountain biking experience on dirt roads and experience a new way to enjoy cycling!・During the tour, we will stop at a Japanese sweets shop recommended by the guide. ********************************* [Time schedule] Contents Image Meeting twice at 9:20 and 13:20 (Nikko Nasu Outdoor Service/Tochigi Kayak Center "Customer Parking Lot") We will pick you up if you are coming by train Warm-up exercises → Pre-mountain bike training Kinugawa Onsen mountain bike off-road experience ↑ Tour start ↑ After riding on the paved road, go on a wide forest road It runs exhilaratingly. ↑Once you get used to it, you will ride on a narrow dirt road (unpaved road) and experience a thrilling mountain bike ride. The event will be disbanded at ~12:00 and 16:00. *The time schedule may be slightly different. note that.

• Pickup Service
• For Rainy Days
• Activity Japan 2024 Fall Sale

• Age 5～Age 80
• 1～2 hours /2～3 hours
• 05:30 / 16:30

This is a special early morning and dusk kayaking project at Lake Chuzenji in Oku-Nikko, which is rich in nature! ! Early in the morning and at dusk, the lake surface is relatively calm and mirror-like. Feel the morning sun rising from the area of ​​Mt. Nantai and Kegon Falls on the surface of the lake.Go a little offshore and admire the majestic figure of Mt. Nantai, which is 2486m above sea level. Enjoy kayaking at Lake Chuzenji, a dream destination for kayak enthusiasts! It is also easily accessible from the metropolitan area. Even if you are completely new to kayaking, you will be riding in a highly stable kayak, so there is little risk of capsizing, and everyone from small children to the elderly can enjoy kayaking safely and happily. Why not try kayaking with your family, couple, or friends?

• With Pets
• For Rainy Days
• For Groups

• Age 7～Age 70
• Within 1 hour
• 09:20 / 12:50

Challenge a flight from an altitude difference of 300m with a professional pilot! Even first-timers can participate with confidence. Not to mention the vast scenery overlooking Mt. Nasu! Feel your heart pounding when you take your feet off and feel the exhilaration of the wind blowing on your face. [Plan flow] ① Reception (5 minutes) ➁ Move the mountain road to the takeoff site (15 minutes) ➂ Brief explanation & preparation (5 minutes) ④ Flight (7 minutes) ➄ Return (5 minutes) * Waiting time depending on the weather there may be

• For Groups

• Age 8～Age 75
• 4～5 hours

2 in static or gentle running water Dates Degree experience. Or it is a course for those who finished the experience course. Easy-to-use river Kayak Master basic skills, self-rescue and safety skills in static I will gradually get used to the gentle flowing water. Furthermore, while going down the river, we aim to improve skills in practice.

• Pickup Service
• For Rainy Days
• For Groups

• Age 4～Age 100
• 5～6 hours
• 09:30

[Outdoor tour that can be enjoyed together from 4 years old to aunt] A full-day tour to fully enjoy the nature of Lake Chuzenji. Start with a smile with camping chairs, tables, and lunch equipment! Slowly rowing on the surface of the water, sometimes a coffee break. After a leisurely break, row with a smile and go to the point where you can enjoy lunch. Enjoy a picnic lunch in a private place. You can enjoy while changing the route depending on the pace of the participants and the weather conditions. It's a tour that makes you say "feeling good!" Many times.

• Activity Japan 2024 Fall Sale

• Age 5～Age 80
• 4～5 hours
• 09:00

The first sea kayak (a wide variety of sea kayaks are available) Lake Chuzenji is located in Nikko National Park and is a dammed lake created by the eruption of Mt. Nantai 20,000 years ago. It is the highest lake in Japan with a circumference of about 24km, an area of 11.62km2, a maximum depth of 172m, a lake surface altitude of 1269m, and an area of 4km2 or more excluding artificial lakes. Because of this environment, the scenery of the four seasons, the magnificent view of Mt. Nantai from the lake, and the clear blue lake water are exceptional, and it is a world that I long for even if I am not a kayaker. Some people may want to ride a sea kayak but are scared of the sea, but you can try sea kayaking on the lake. It is a project where you can fully enjoy the nature of Lake Chuzenji in Oku-Nikko in one day. The Nikko Nasu Outdoor Service / Tochigi Kayak Center, which puts safety and security first, has thoroughly managed risks and has been updating the kayak tour accident-free record since its opening.

• With Pets
• For Rainy Days
• For Groups

• Age 3～Age 12
• Over 6 hours on the day
• 08:00

This is a day trip tour in Tochigi Prefecture from July 20th to August 31st on Mondays based on the calendar. We will now switch to the Miyama, Yamanashi prefecture, large stag beetle expedition, so if you wish to continue participating, please also apply for the Yamanashi prefecture Miyama stag beetle tour. We will be holding a summer vacation northern Kanto tour. Gather at Chofu Station (by train) or Shindai Busaninosato (by car) Move to Otawara City, Tochigi Prefecture Move to Nakagawa Aquatic Park where you can experience catching giant turtles, giant sea breams, stag beetles, water praying mantises, and other species (freshwater fish information session) Move to Ose Yana and eat ayu set meal. After that, we will move to Tokyo and disband at Chofu Station or Shindai Nigiwai no Sato. Minimum number of participants: 5 people, capacity: 10 people Scheduled to be held only on Mondays on weekdays during the summer vacation period Things to bring: Marine shoes, insect repellent, swimsuit, change of clothes ✖︎ 2 or more sets, rick sack, hat, drinks, plastic case to take home + baggage on this side Things to prepare: net, catching bucket, and two meals included.We look forward to your participation. Nogawa Nature School Sonoda