There's lots to do in Leavenworth, no matter the season--skiing, rafting, climbing and more. All Seasons is tucked away on one side of town, far enough that you'll want a car to get around. Depending on your definition of "sappy" you might find it a little over the top...but I can't pass up a Jacuzzi tub with a view of the river.
Breakfast is nice, especially since it's included in the price; my only complaint migt be that it's forced socializing. But I can do that for one or two mornings. :-)