User Summary: The Savage Gorge Terrain Trays Pack is part of Caverns Deep! Savage Gorge Terrain Trays Pack is part of the Terrain Trays subset that contains metal trays decorated on both sides to support terrain pieces. This set is specifically designed to support Encounter 8. This item was initially available as an add-on for the Build Your own Cavern pledge level or included in one of the other pledge levels during the Caverns Deep! Kickstarter. Savage Gorge Terrain Trays Pack comes with these 3 pieces: (1) 12x12 Cave Water/Running Water Tray (2) 4x8 Cave Water/Running Water Tray