Mountain island part 1 (7 days) (Grid island)
Reward: Trekker Dragon (Rare)
Hiking Dragon (Very Rare)
Rock Climbing Dragon (Epic)
Kilimanjaro Dragon (Legendary)
There is Mountain Habitat hidden in this island
Mountain island part 2 (7 days) (Tower island)
Reward: Volcanic Dragon (Very Rare)
Campfire Dragon (Very Rare)
Lumberjack Dragon (Epic)
Expedition Dragon (Legendary)
Tambora Dragon (Legendary)
There is Mountain Habitat hidden in this tower
Mountain island part 3 (14 days) (Labyrinth island)
Reward: Summit Dragon (Epic)
Eruption Dragon (Legendary)
Aconcagua Dragon (Legendary)
Denali Dragon (Legendary)
Cartenz Pyramid Dragon (Legendary)
Elbrus Dragon (Legendary)
Vinson-Massif Dragon (Legendary)
Kosciuszko Dragon (Legendary)
There is Seven Summits Decoration and Mountain Decoration hidden in this island.