Mountain High's 16/17 pass holders are eligible to purchase the M.A.X. Pass Add-on for just $299 Adult, $249 Teen (ages 13–17), $199 Youth (ages 6-12), and $39 Child (5 and under). The M.A.X. Pass Add-on provides five days of skiing/riding at each participating resort with NO BLACKOUTS! Current prices available through October 11, 2016.