Sado Ichi (Kosado Circuit)

Updated on2026/2/16

Another recommended route for cyclists without the time to complete the full Sado Circuit (202.5km) is the Kosado Circuit at 118.3km. It is basically a combination of the coastal leg of the Sado International Triathlon Type B and the Kosado mountain route featuring toki and historic ruins. This route takes in the stunning views of Honshu across the Sado Strait and the geosite on the Ogi Peninsula.

INDEX

1. Introduction to the route
2. Route highlights
3. Useful information

Difficulty: Intermediate
Distance: 118.3km
Approximate time required (at an average speed of 15km/h): 7h 53mn
Elevation gain: 1,495m
Highest point: 94m
Starting point: Ryotsu Port
Finish: Ryotsu Port

1. Introduction to the route

2. Route highlights

3. Useful information

Cycling map

Sado Cycling Map (for intermediate and advanced cyclists) [PDF/8.11MB]

Cycle station

Cycling facilities (bike racks) around Sado’s hotels, restaurants and tourist information centers providing free air pumps and tools for simple repairs.

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