How much potential revenue does this represent? Ticket prices for 2012 are $49.95 for adults; $24.95 for youth. Assuming that two-thirds of the clients are adults, paid visitation of 300,000 per year would generate a gross revenue of $12,485,000.00. Discounts to tour groups would likely reduce that amount. Still, Brewster's Ice Explorer operation is a huge commercial enterprise in what is essentially a wilderness setting.