Castaway Island Rain Fortress

An exhilarating aqua structure where guests can climb, slide, and splash through a maze of water-filled fun!

The Rain Fortress is an interactive water activity center for Guests of all ages. Guests experiencing this attraction will never run out of options but will most certainly get wet.

Castaway Island water park at Canobie Lake

Opens on May 25th 2024

Please Note: Castaway Island is scheduled to open for the 2024 season May 25, 26, and 27, 2024, weather permitting. Castaway Island will then operate on Saturdays and Sundays only thru June 16, 2024. Castaway Island will be open daily from June 17th, 2024 thru September 2, 2024.

Castaway Island is included with Park admission.

Depending on weather and guest volume, there may be a wait time to enter Castaway Island. This wait time will increase in more favorable conditions.

Proper bathing attire is required for Castaway Island attractions.

Riders must be at least 40″ tall to ride the tall dark green slides.

About this Attraction

  • Wheelchair entrance for the Rain Fortress is through the Tidal River pathway.
  • Contact a Team Member for access to the individual slides.
  • The ride seat is a water slide.
  • Guest must be able to sit in an upright position and control posture.
  • No headfirst sliding – riders must be lying on back or sitting faced forward.
  • Companion assistance may be required to access the individual slide load area(s).
  • Tandem or group riding is not permitted.
  • Use caution, as the Rain Fortress will be wet and slippery in places.
  • Proper swimwear is required on the slides.
  • Do not enter this attraction if you do not want to get wet.
  • Swim diapers are required for diaper aged children in the attraction.

Click HERE to view more information about Castaway Island!

Now open weekends! Get your tickets here!

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