From the Disney transportation site:
Getting to Disney’s Blizzard Beach Water Park from a Disney Resort Hotel
Bus service is available to Disney’s Blizzard Beach Water Park directly from Disney's All-Star Movies Resort and Disney's Coronado Springs Resort.
From all other Disney Resort hotels, please take the bus to Disney’s Animal Kingdom park and then transfer to the bus to Disney’s Blizzard Beach Water Park.
Bus service to Disney’s Blizzard Beach Water Park begins 45 minutes prior to water park opening.
Bus service from Disney’s Blizzard Beach Water Park to Disney's All-Star Movies Resort and Disney's Coronado Springs Resort ends one hour after water park closing.
Disney's Typhoon Lagoon Water Park remains closed at this time.