Tobayama Cave
Discover Tobayama Cave, a National Historic Site in Ueda City, Nagano Prefecture. This remarkable archaeological site preserves rare "bakusō" exposure burial practices from the 5th century Kofun period, offering insights into ancient seafaring cultures that migrated to inland Japan. Explore the cave, learn about its mysterious artifacts, and plan your visit to this hidden treasure near Kakeyu Onsen.
Colloidal Silica and Sinter from Nakabusa Hot Springs
Discover the remarkable Colloidal Silica and Siliceous Sinter at Nakabusa Onsen—a rare National Natural Monument in the Japanese Alps where ancient thermophilic bacteria create mineral formations in real-time. Complete visitor guide with access, hot spring info, and surrounding attractions.
Aku Ruins
Mt. Azumaya's Target Rock
Iida Kofun Group
Idojiri Ruins
Iwamurata Luminous Moss Production Area
Inutate Stone Age Dwelling Site
Ueda Castle Ruins
Upper Step Stone Age Ruins
Median Tectonic Line in Oshika Village (Kitagawa Outcrop and
Omiyama Ruins
Omuro Tomb Group
Ogasawara Clan Castle Ruins / Ikawa Castle Ruins / Hayashi
Mizunara Oak Trees of the Oguro River
Ono's Weeping Chestnut Grove
Obasute (Tagoto No Tsuki)
Kamikochi
Former Nakagomi School