穏やかな稜線 琵琶湖望む快適な登高

Ibukiyama summit greeted the morning with clear skies. The temperature is 13.3℃, feeling like 12.6℃, which is cool for a summer mountain. There is an 8℃ temperature difference from the base, meaning that climbers on the Omote Tozando route will transition from the humid warmth of the foothills to a distinct chill as they gain elevation. For this steep ascent, a layering system consisting of a moisture-wicking base layer, a light fleece, and a windproof shell is crucial to manage sweat during activity and prevent chilling at the summit.

The weather will shift from clear to cloudy during the day, but the chance of precipitation remains 0% throughout, so rain gear is not expected to be used. The ground, being limestone, may have some slippery spots from morning dew due to high humidity, but generally, dry conditions will prevail. While visibility is currently 1.9km, panoramic views of Lake Biwa and the Nobi Plain are largely anticipated.

Winds will be from the NW at around 2m/s throughout the day, with gusts up to 13.2m/s. While some wind will be felt on the ridge, it is not strong enough to impede movement. The risk of lightning is low, and hypothermia is unlikely with proper gear. However, strong sun exposure during clear periods poses a risk of heatstroke in summer, so hydration and UV protection are essential.

Towards night, skies will clear again, and winds will subside. Temperatures are expected to drop to around 11℃. Even those using the Ibuki Driveway should bring an extra layer to account for the cool summit temperatures.