Oshima Island Adventure Trip

2019 June 29-30 (Saturday-Sunday)

Oshima Island, Tokyo

Come join us on a fun biking, trekking and snorkeling trip in and around the beautiful island of Oshima; the biggest island amongst the seven islands in the Izu Hanto region!

This trip features:

  • 25km cycling along Oshima's beautiful coast passing some nice black sandy beaches here and there
  • 52km cycling around the whole island (for the more adventurous ones)
  • Trekking up Mt. Mihara; an active volcano 764m above sea level, located in the middle of the island
  • Snorkeling in crystal clear ocean
  • Outdoor onsen with a gorgeous ocean view and amazing sunset @Hamanoyu
  • Indoor onsen with a heated swimming pool, place to eat, rest and nap @Island Gojinka Spa

All activities are optional so you can also just do nothing but relax in the onsen! ;p

A perfect weekend getaway!

Trip Itinerary

Friday (Jun 28)

  • Meet at Takeshiba Pier at 10pm
  • Orientation/distribution of ferry tickets
  • Get on the ferry at 10:30pm
  • Overnight ferry ride (sleep on comfortable reclining seats)

Saturday (Jun 29)

  • Arrive in Oshima island around 5am
  • Get on the local bus (or bike) to Gojinka Spa
  • Take a short nap
  • Have breakfast at 7:30am (bring/buy your own)
  • Get the gear on/check the bikes
  • Biking around the island (8:30am-4:30pm)
  • Check-in at the minshuku
  • Enjoy the outdoor onsen and dramatic sunset at Hamanoyu
  • Dinner at 6pm
  • Group party until you drop

Sunday (Jun 30)

  • Breakfast at 7:30am (included)
  • Check-out of the minshuku
  • FREE TIME (8:30am-12pm) *Join Mt. Mihara trekking and/or snorkeling or just relax on the beach
  • Get on the ferry at 1pm
  • Arrive back in Tokyo around 5:40pm

Trip Inclusion - Extras - Discounts

Price includes;

  • Round-trip ferry fare (reclining seats)
  • Round-trip bus fare (Pier-Motomachi-Pier)
  • One (1) night shared accommodation
  • Dinner for Saturday
  • Breakfast for Sunday
  • Entry to Hamanoyu Onsen on Saturday
  • Bike guides
  • Travel insurance
  • Consumption tax


  • Mt. Mihara trekking (2,500yen) *Includes transportation and trek guide
  • Mountain bike rental (2,000yen/day)
  • Helmet rental (500yen/day)


  • Birthday on Jun 28-30 (3,000yen)
  • Early-bird (1,000yen) *Pay before 3pm on May 29
  • Group of 4-5 (1,000yen/person) *Group leader or name required
  • Group of 6 or more (2,000yen/person) *Group leader or name required
  • Regular member (1,000yen) *Joined more than 5 TG trips/Cannot combine with the group discount
    *** Check Discount Policies ***
Price: 19,900Yen
Space left: 0 out of 30

Important Notes

  • Itinerary may vary due to the weather, traffic conditions, and other unavoidable circumstances.
  • You MUST have your own insurance (health, social, company, etc.) to be able join.
  • Reasonable fitness necessary to enjoy the trip.
  • Takeshiba pier is 10 minutes on foot from JR Hamamatsucho or Daimon station on the Oedo line and a minute from Takeshiba station on the Yurikamome line.
  • Minimum of 4 and maximum of 6 persons per room.
  • Male/Female only rooms are available.
  • Group of friends can have their own room.
  • You need a proper bike bag to bring your own bike.
  • Bike helmet is a MUST!
  • Most of the roads we will be on are paved rather than dirt tracks.
  • We'll stop for breaks at any interesting diversions during the bike ride so don't forget to wear your swimsuit under your clothes, always ready to strip off when we spot one of the gorgeous black sand beaches along the coast.
  • 25km course is just biking along the beautiful coast with some short hills here and there.
  • 52km course is biking around the whole island and include short hills here and there plus a 6km long challenging hill and a rewarding 10 minute downhill. Lots of fun!
  • Swimsuit is required in the outdoor onsen.
  • You can go scuba diving or snorkeling and/or just hangout on the beach if you are not up for biking and trekking.
  • You can also just relax and do nothing but onsen .
  • Final details will be sent to the participants by email two days before the event.

What to wear/bring

  • Breakfast for Saturday
  • Picnic lunch (for the bike trip)
  • Mountain bike (bike bag required on the ferry)
  • Helmet
  • Sneakers or flips-flops with strap
  • Repair kit (if you have any)
  • Small backpack (for the bike trip)
  • Cycling and spare clothes
  • Raincoat (in case of bad weather)
  • Comfortable shoes
  • Water bottle
  • Swimsuit
  • Towels
  • Hat
  • Sunscreen
  • Eye masks
  • Ear plugs
  • Camera
  • Smartphone
  • Cash

Useful Links