Historic Sites, Places of Scenic Beauty, and Natural Monuments of Gunma

Agatsuma Gorge in Gunma Prefecture — a National Place of Scenic Beauty known as the 'Yabakei of Kantō' — features dramatic cliffs, the narrow Hatchō-kuragari chasm, and the Shika-tobi rapids. Discover its volcanic geology, the famed Ten Scenic Spots, seasonal foliage, the A-Gattan rail bike, and nearby Yamba Dam.

A National Natural Monument in Annaka, Gunma Prefecture, preserving cedars planted along the Edo-period Nakasendō highway. Once over one kilometre long with 321 trees, only about a dozen giants remain today, still standing as living witnesses to four centuries of travellers, samurai, and post-town life.

In 1946, amateur archaeologist Aizawa Tadahiro found chipped stone tools in red volcanic loam beside a Gunma road, proving Japan's history extends 35,000 years.

Deep in the upper reaches of the Kanna River in Gunma's Ueno Village lies the Ueno Narahara Shioji Forest, a primeval riverside grove of Japanese flowering ash that has stood unlogged since the Horeki era of the mid-18th century. Designated a National Natural Monument and Natural Protection Area in 1969, it is one of only 23 such top-tier protected areas in Japan, and one of just two on the Kanto mainland alongside the Oze marshlands. Visitors are greeted by towering Shioji trees reaching 35 meters in height and the profound stillness of an ancient forest.

Carved in 711 to mark the founding of Tago District, the Tago Stele near Takasaki, Gunma is counted among Japan's three oldest inscribed stone monuments.

Tenjinyama Kofun in Ota, Gunma is eastern Japan's largest ancient tomb, a 210-meter keyhole mound that marks the grave of a powerful fifth-century chieftain.

On a steep hill above the Kabura River in Gunma, this late Yayoi village left over 140 pit dwellings, a palisade and a moat. A National Historic Site since 1997.

Nyotaisan Kofun is a 106-metre scallop-shaped tumulus in Ota, Gunma, the third largest of its type in Japan and the largest example in the Kanto region.

A roughly thousand-year-old zelkova in Gunma and a National Natural Monument, once one of Japan's three great zelkovas, now hollow and braced at a road junction.

This giant cedar on the approach to Haruna Shrine, Gunma, is a National Natural Monument 9.4 meters around and some 450 years old, tied by legend to Takeda Shingen.

Three keyhole tombs raised within thirty years in Gunma. The Hachimanzuka mound is rebuilt with stone facing and thousands of haniwa, including a cormorant figure.

On a wooded slope in Minakami, Gunma, two Jomon stone-paved dwelling floors survive as a National Historic Site, preserving their stone hearths and a buried jar.

Minowa Castle's earthworks survive on the foothills of Mount Haruna in Takasaki, Gunma: vast Sengoku moats, baileys, and a reconstructed wooden turret gate.

At Kusatsu Onsen's center, 4,040 liters surface every minute through seven wooden conduits in Taro Okamoto's gourd-shaped basin. A National Scenic Beauty since 2017.

Gunma’s registered properties across designations, with featured heritage and travel notes.

The complete kokuhō catalogue — browse by prefecture, period, and category.

Nationwide jūyō bunkazai — architecture, sculpture, painting, crafts, and documents.