Kanhassyu Miharashidai, Mountain viewpoint in Hanno, Japan.

Kanhassyu Miharashidai is a viewpoint on a ridge crest at 771.1 m, on the boundary between Hannō in Saitama Prefecture and Ogose in Iruma District. To the east the Kantō Plain opens beyond the low eastern edge of the Chichibu mountains; on clear days the high-rises of central Tokyo appear to the east-southeast.

The name Kanhassyu Miharashidai refers to the eight provinces of the Kantō region — Awa, Kōzuke, Shimotsuke, Sagami, Musashi, Kazusa, Shimōsa and Hitachi — that were said to be visible from this ridge. The viewpoint lies on a ridge in the eastern Chichibu Mountains at 771.1 m, on the boundary between Hannō and Ogose. No Edo-period military use is recorded in the sources.

The site draws visitors throughout the year to watch seasonal changes, especially during cherry blossom season and autumn foliage. People come here to observe how the landscape transforms with each passing season.

The viewpoint connects to multiple hiking trails, including routes from Kurosanmitaki Falls and the path through Hanadate-Matsunotouge Pass. Visitors should be aware that trail conditions vary by season and weather.

The name Kanhassyu Miharashidai refers to the eight provinces of the old Kantō region — Awa, Kōzuke, Shimotsuke, Sagami, Musashi, Kazusa, Shimōsa and Hitachi — said to be visible from the ridge. On clear days the skyscrapers of central Tokyo can be made out to the south-southeast, and an amateur radio repeater on 439.24 MHz operates at the site.