The benefits of planning in advance are readily available online.

Arizona Hurricane Harbor Phoenix Phoenix, AZ California Six Flags Magic Mountain Los Angeles, CA Hurricane Harbor Los Angeles Los Angeles, CA Six Flags Discovery Kingdom San Francisco/Sacramento, CA Hurricane Harbor Concord San Francisco/Sacramento, CA California's Great America Santa Clara/San Jose, CA Knott's Berry Farm Los Angeles, CA Knott's Soak City Los Angeles, CA Georgia Six Flags Over Georgia Atlanta, GA Six Flags White Water Atlanta, GA Illinois Six Flags Great America Chicago, IL Hurricane Harbor Chicago Chicago, IL Hurricane Harbor Rockford Rockford, IL Maryland Six Flags America Baltimore/Washington, DC Massachusetts Six Flags New England Agawam, MA Michigan Michigan's Adventure Muskegon, MI Minnesota Valleyfair Shakopee, MN Missouri Six Flags St. Louis St Louis, MO Worlds of Fun Kansas City, MO New Jersey Savannah Sunset Resort & Spa Jackson, NJ Six Flags Great Adventure Jackson, NJ Hurricane Harbor New Jersey Jackson, NJ Wild Safari Adventure Jackson, NJ New York Six Flags Great Escape Lake George, NY Six Flags Darien Lake Buffalo, NY Darien Lake Lodging Buffalo, NY Great Escape Lodge & Indoor Waterpark Lake George, NY North Carolina Carowinds Charlotte, NC Ohio Cedar Point Sandusky, OH Cedar Point Shores Sandusky, OH Kings Island Mason, OH Oklahoma Frontier City Oklahoma City, OK Hurricane Harbor OKC Oklahoma City, OK Pennsylvania Dorney Park Allentown, PA Texas Six Flags Over Texas Arlington, TX Six Flags Fiesta Texas San Antonio, TX Hurricane Harbor Arlington Arlington, TX Hurricane Harbor Splashtown Houston, TX Schlitterbahn Galveston Galveston, TX Schlitterbahn New Braunfels New Braunfels, TX Virginia Kings Dominion Doswell, VA Ontario Canada's Wonderland Vaughan, Ontario Quebec La Ronde EN Montreal Quebec, QC La Ronde FR Montreal Quebec, QC Mexico Six Flags México Mexico City, Mexico Hurricane Harbor Oaxtepec Montreal Quebec, QC