Lake Nojiri (野尻湖, Nojiri-ko) is in the town of Shinano, Kamiminochi District, Nagano Prefecture, Japan.

Madarao, or that it was dammed by the Ikejiri River mud flow caused by the eruption of Mt.

"Dome boats," outfitted with stoves, catch smelt (Hypomesus nipponensis) in Lake Nojiri.

Discoveries included implements of stone and bone, fossils of Palaeoloxodon naumanni, and of deer.

Analyses of diatoms, pollen, paleomagnetism, and volcanic ash place the site, with its fossils of humans and megafauna, in the Paleolithic, the Pleistocene, about 40,000 years ago.