Jigokudani Snow Monkeys, Nagano Electric Railway series 1000, 2000 EMUs 

Jigokudani valley is well known as Japanese macaques, also known as the "Snow Monkeys" bathing in natural hot springs. Jigokudani Snow Monkey Park is not so far from Yudanaka hot spring resort, Nagano Electric Railway connects from central Nagano city. Now series 1000 EMUs are used for express trains, which were donated by Odakyu Electric Railway in 2006. Until 2011, series 2000 EMUs had been using also used for express trains for over 50 years.