Wrapped up against the biting cold, the Duchess of Cambridge arrived wearing a green woollen hat, fleece, green parka-style jacket, dark blue jeans and wellies with a Scout's red, white and blue neckerchief, tied in a friendship knot.
As snowflakes were blown around the fells above Lake Windermere at the Great Tower activity centre near Newby Bridge, the temperature was estimated to have plummeted to minus five with the wind chill factor.
Kate, five months pregnant, spent about an hour outside with adult scout volunteers and youngsters.
More top news
Anthony Joshua would shake up the tax system and "educate" people about how to use the NHS properly if he went into politics.
Wintry scenes with rain, sleet & snow
Barbara Peters has pirouetted her way into the record books after becoming the oldest British woman to complete the elite test.