A journey on the JR Iida Line through the mountainous region of central Japan is introduced, describing the section connecting Aichi and Nagano as an opportunity to enjoy a distinctive railway journey.
A railway journey in Japan using the JR Iida Line is introduced, highlighting the scenery through mountainous areas and the line's distinctive appeal. The article describes the route as one of the most distinctive railway journeys in Japan.
The section introduced connects Aichi Prefecture and Nagano Prefecture, and the article refers to the appeal of traveling through the mountainous region of central Japan.