Michinoeki (Roadside Station) Iitakaeki
There is a natural hot spring which is rare to have at a Michinoeki (Roadside Station).
Towel rental is available so you can come empty-handed (entry fee: ¥640 for adults).
There is a restaurant where you can eat food from the mountain of Iidaka as well as a souvenir shop that sells various delicious local foods.
Besides that, you can also experience making soba noodles.
You can join on the day itself.