It takes 60 min (shortest) ~ 2 hours (comfortable)
You rent bicycle and leave baggage at Amanohashidate Sta. I tell recommending way and give a map. You go through Amanohashidate, and stop by shops or shrine. After you arrive Ine, you return the bike and get baggage.
Model Course 2 ~ Ine to Ukawa Hot Spring (29km)
It takes 100 min (shortest) ~ 3 hours (comfortable)
The process is same as up above, but in addition to that,
“Fishing port Lunch” (big seafood lunch) *Lunch fee (2000 yen), extra. Also you can choose local Italian lunch (980 yen~) or handmade rice balls & sandwiches prepared by the guide (500 yen)
(Ending point) Ukawa hot spring (hot spring fee is extra, 450 yen)
After that, you can go back by bus or stay in a hotel there.
Optionally you can attach a guide (9,000 yen per a group)