Christmas Tours At Allendale Mansion In Kingsport Happen This Weekend. Tickets Are Cash Only And Are $3 For Adults, $1 For Children 6 To 12, And Children Under 6 Are Free. The Tours Are Self-Guided And Take Up To An Hour. Cookies And Hot Cider Will Be Offered. It Happens Saturday From 1 To 6 And Sunday From 1 To 5.