The Honshà « alpine conifer forests ecoregion covers in the high-elevation mountains of central Honshà « and the Oshima Peninsula of Hokkaido, Japan. It is a temperate coniferous forest ecoregion in the Palearctic realm.
Northern Japanese hemlock grow with species of Rhododendron and Menziesia. Maries' fir, Veitch's fir, and Jezo spruce grow in forests with plentiful herbs and ferns in their understories. Sasa grass is very dense in places.
Sika deer and Asian black bear inhabit this ecoregion. Significant birds include the rock ptarmigan and the golden eagle.