Things to do in and around 志賀高原 Shiga Kogen, 長野 Nagano March 12, 2019 Shiga Kogen 志賀高原 , Nagano 長野 is one of Japan's nine UNESCO biosphere reserve. In 1947, Shiga Kogen introduced a ski lift and in 1998 Shiga Kogen participated in Winter Olympic games with the first ever snowboar...