Mt. Tanigawa Backcountry
Mt. Tanigawa 1,977m · Gunma / Niigata
- Avalanche
- JAN Avalanche Bulletin (Kagura, Tanigawa, Hotaka) ↗
- Rules
- Gunma's Mt. Tanigawa Accident Prevention Ordinance: stay out of the danger zones (east and south rock faces such as Machigasawa, Ichinokurasawa) from December to February. From March to November entering them requires a notice filed 10 days ahead (penalties apply). Official ↗
- Trip plan
- File one. Compass (Japan Mountain Guides Assn.) ↗
This page is not route guidance. It's information to help you decide. Carry avalanche gear, know how to use it, and go with a guide if in doubt.
Terrain
Colours show terrain angle (30° yellow, 35° orange, 40° red, 45°+ purple). Most avalanches start on 30–45° slopes, but no colour does not mean safe. Overlay your own GPX/KML to see distance and slope (the file is read on your device only, never uploaded).
Map & elevation: GSI Japan (slope computed by Japow Now! from the 10 m elevation tiles)
Snow now
| Resort | 24h snow | Depth | Tomorrow |
|---|---|---|---|
| Mt.T (Tanigawadake Tenjindaira)LIVE | 0 cm | 0 cm | 0 cm |
24h snow & depth: JMA AMeDAS (resort-reported depth first) / Forecast: Open-Meteo (resort base)