About this Item:Slip & Slide; Pool; Double Lane. Want the BIGGEST slide in the country? Race your friends on this gigantic slide. There is no comparision... this is it! You will start with a 27-foot drop with a 31-foot slide through a spraying rock tunnel to a splash landing in a refreshing pool. This is the long version of the Roaring River Inflatable Water Slide -- its is 65-feet long! The Fire River Slide Combo is a very entertaining water slide rental. Experience the thrill of riding the rapids down this wet mountain of fun. Riders shoot down individual sliding lanes where they encounter the thrill of a bump in the rapids before they enter the tunnel and make a soft splash landing.