Discover Yoro Valley and the Kominato Isumi Railway

Hop on the Kominato and Isumi Railway in rural Chiba. Offering an old fashioned train trip that gives you a feel of nostalgia. Along the way, you can experience the charm of the Japanese countryside. Take some extra time to visit Yoro Keikoku Valley: a popular destination for hikers, with the thirty-meter high waterfall, Awamata no Taki, the prefecture’s tallest. On the Isumi Railway, you'll come across photogenic rice paddy fields, tretched over a distance of nearly 27 kilometers. Visit between March and APril to see the rapeseed flowers cover 15 kilometers of the track sides. Another point of interest is the Ohara Hadaka Festival aka Ohara Naked Man festival, where participants are naked with the exception of a small white towel called a "loincloth". The most popular activity is when the shrine is taken into the ocean.

Things to see and do


Getting to and around in Yoro Valley (with the Kominato - Isumi Railway)

Most travelers start their journey in Goi station, which is also the start of the Kominato Railway Line. From there, travelers can hop off at any point to visit some of the sights along the railway. Be aware that some of the sights are still relatively far from the train station and might require a bus to get there. From Kazusa-Nakano Station, travelers can hop off and hop on the Isumi Railway instead. 


Travelers can also opt to buy the following passes within the area: 

  • Kominato Railway 1-Day Ticket

    • Coverage: unlimited rides on all lines of the Kominato Railway

    • Duration: 1 day

    • Price: 1840 Yen

    • Where to buy: all railway stations along the way (including Goi station) 


  • Goi - Yoro Valley Round-trip Discount Ticket

    • Coverage: round trip between Goi station and Yoro-Keikoku Station

    • Duration: 2 days

    • Price: 1840 Yen

    • Where to buy: Goi station


  • Isumi Railway 1-day Ticket

    • Coverage: unlimited rides on all lines of the Isumi Railway

    • Duration: 1 day

    • Price: 1200 Yen

    • Where to buy: all railway station along the way

How long to stay in Yoro Valley and the Kominato - Isumi Railway

We recommend staying in this area for approximately 2 days. 

Seasonal information

Cherry blossoms:

The best time to see cherry blossoms in Japan is usually between late March and early April. Although the blooming period can vary slightly from year to year and depending from region to region. 

  • Fudamori Sakura Highway (see the map for the exact location)

  • Chiba Kodomo no Kuni Kidsdom (see the map for the exact location)



The swimming season on mainland Japan is usually between July and August. 

  • Ohara Beach (see the map for the exact location)


Scenic rides:

  • Kominato Railway: click here to go to the official website

  • Isumi Railway: click here to go to the official website

Festivals in Yoro Valley and the Kominato - Isumi Railway

There are two well-known festivals in this area. Please be advised that the following info is based upon previous entries of the festival and that the dates might have changed for the following year. It is also possible that the entire festival is cancelled in the case of heavy rainfall or a natural disaster. Please check with the official organisers' website for the most up-to-date information. 
For the exact location of the festivals, you can consult our map above by clicking on the icon in the upper most corner of the map to open the map legend. Festivals are hidden by default but can be made visible by clicking on the "Festivals" checkbox in the map legend.


  • Ohara Naked Festival

    • Date: September 23rd and 24th


  • Otaki Castle Festival

    • Date: October 11th and 12th

Hotels in Yoro Valley and the Kominato - Isumi Railway

Flights to Yoro Valley and the Kominato - Isumi Railway

The nearest and most convenient airport is Haneda Airport in Tokyo. 

  • by car: approximately 50 minutes

  • by public transport: approximately 1 hour

Getting mobile data in Japan

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