Go with the Flow

See how the some of the country's longest lazy river rides measure up.

Transportainment River at Schlitterbahn Galveston Island Waterpark, Galveston, TX (45 minutes from Houston); www.schlitterbahn.com

Cross Country Creek at Blizzard Beach, Orlando; www.disney.com

Endless River at Noah's Ark, Wisconsin Dells, WI (2 hours from Milwaukee); www.noahsarkwaterpark.com

Castaway Creek at Typhoon Lagoon, Orlando; www.disney.com

Rambling Bayou at Adventure Island, Tampa, FL; www.adventureisland.com