 Views from the Presidentials ridgeline in the crisp winter air are unrivaled in the Northeast.However, winter terrain is more treacherous, temperatures may plummet with dangerous speed, and wind speeds often hit triple digits.Snowfall at elevation is measured in feet instead of inches, avalanches are common on the large snowfields and in ravines, and blowing snow, ice fog, and heavy clouds can cause visibility to disappear in minutes.