- Ibaraki Prefecture Official Website
- Ibakira TV
- National Cycle Route
- GOOD CYCLE JAPAN
- IBARAKI GUIDE
- Tsuchiura City Tourist Association
- Ishioka City Tourism Association
- Tsukuba Convention & Tourism
- Kashima City Guide
- Itako City Tourism Association
- Inashiki City Guide
- Kasumigaura City Tourist Association
- Sakuragawa City Tourism Association
- Kamisu City Tourism Association
- Namegata City Tourism Association
- Hokota City Tourism Association
- Omitama Plus
- Ami Town Tourism Association
- Ibaraki International Association
- Ibaraki Cycling Association
- Japan Cycling Association
- Bicycling Popularization Association of Japan
- Japan Bicycle Promotion Institute
- Bicycle Usage Promotion Study Group
