Mt. Hoshiana
星穴岳
Annaka, Gunma / Shimonita, Gunma · Elevation 1,073 m
Mt. Hoshiana (1,073 m) is a rocky pinnacle on the western flank of the Omote-Myōgi range, on the border between Shimonita Town and Tomioka City in Gunma. Two natural through-holes — Inuki-ana and Sazuke-ana — pierce its summit ridge. The peak lies within the prefectural Myōgi Park, has no maintained general trail, and is approached only as a variation route involving steep rock climbing and rappels.
Mt. Hoshiana at a glance
- Weather: The most settled day in the next 7 days is Mon, November 9: clear, gusts up to 7 m/s.
Mt. Hoshiana weather (hourly, 14 days)
Sunrise today 06:09, sunset 16:48
| Tue, 11/3 | Wed, 11/4 | Thu, 11/5 | Fri, 11/6 | Sat, 11/7 | Sun, 11/8 | Mon, 11/9 | Tue, 11/10 | Wed, 11/11 | Thu, 11/12 | Fri, 11/13 | Sat, 11/14 | Sun, 11/15 | Mon, 11/16 | Tue, 11/17 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Japan time | 15 | 17 | 19 | 21 | 23 | 1 | 3 | 5 | 7 | 9 | 11 | 13 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 12 | 15 | 18 | 21 | 0 | 3 | 6 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | 21 | 3 | 9 | 15 | |
  |   | | | |   | | | | | |   |   |   |   | | | |   | |   | | | | | |  | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | |   | | |  | | | | | | | | | | | | | | | |   | | | | | | | ||
| Temperature | °C | 11° | 6° | 4° | 2° | 2° | 2° | 2° | 1° | 2° | 8° | 9° | 10° | 8° | 5° | 5° | 4° | 5° | 5° | 8° | 13° | 11° | 8° | 7° | 6° | 5° | 5° | 13° | 18° | 17° | 9° | 5° | 4° | 3° | 3° | 8° | 9° | 7° | 3° | 0° | -2° | -2° | -3° | 4° | 9° | 8° | 3° | 1° | 1° | 1° | 1° | 4° | 6° | 2° | 1° | 3° | 5° | 2° | -1° | 4° | 6° | 1° | -2° | 4° | 7° | 0° | -2° | 6° | 7° | -1° | -4° | 3° | 6° | -1° | -3° | 4° | 7° | 4° | 3° | 11° | 14° | 3° | -1° | 3° | 5° |
| Precipitation | mm | 0.4 | 2.0 | 9 | 7 | 0.5 | 0.5 | 0.8 | 0.2 | 0.2 | 2.6 | 7 | 0.2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| New snow | cm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Snow depth | cm | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind | m/s | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 3 | 3 | 2 | 1 | 0 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 1 | 3 | 2 | 0 | 2 | 2 | 3 | 3 | 4 | 6 | 5 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | 2 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 6 | 4 | 4 | 2 | 1 | 3 | 1 | 2 | 3 | 4 | 3 | 2 | 0 | 2 | 1 | 1 | 0 | 1 | 1 | 1 | 2 | 3 | 4 | 3 | 1 | 3 |
| Wind gusts | m/s | 7 | 7 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 7 | 9 | 9 | 8 | 5 | 3 | 4 | 3 | 4 | 5 | 3 | 3 | 3 | 4 | 5 | 6 | 7 | 9 | 9 | 7 | 5 | 7 | 8 | 9 | 11 | 14 | 15 | 13 | 6 | 5 | 6 | 6 | 7 | 7 | 7 | 6 | 4 | 4 | 4 | 4 | 4 | 7 | 5 | 4 | 5 | 7 | 6 | 7 | 19 | 16 | 12 | 9 | 6 | 7 | 7 | 6 | 9 | 11 | 10 | 7 | 7 | 7 | 6 | 3 | 4 | 6 | 4 | 4 | 6 | 10 | 10 | 12 | 7 | 8 |
| Wind dir. | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | ↓ | |
Huts, campsites and lodging near Mt. Hoshiana
Lodging
- 妙義青少年自然の家
Mt. Hoshiana facts
- Elevation
- 1,073 m
- Location
- Annaka, Gunma / Shimonita, Gunma
36.288364, 138.731312