Snow biome

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This article is about the snow-themed biome. For the block, see Snow Block. For the weather event, see Rain.

The Snow biome, also known as the Tundra, is a Surface biome that takes on an arctic appearance with its constant snowfall, its ground made of Snow and Ice Blocks, and its Boreal trees. It can be of moderate difficulty in the early game, becoming relatively easy with some basic equipment. The biome is always found in the direction of the Dungeon, opposite the Underground Desert and Jungle. It extends Underground and transitions to the Ice biome in the Cavern layer.

Specific features of the Snow biome include a different water color and a snowscape background. Boreal Trees and Shiverthorn(Desktop, Console, Old-gen console and Mobile versions) frequently grow in the snow. Penguins wander the surface, and typical enemies include Ice Slimes, Frozen Zombies, and Demon Eyes. When the player touches water or Shimmer(Desktop, Console and Mobile versions) in the Snow biome in Expert(Desktop, Console and Mobile versions) or Master Mode(Desktop, Console and Mobile versions), it inflicts the player with the Chilled debuff until 5 seconds after they leave the liquid. During rain, the biome undergoes a Blizzard, decreasing visibility.

The trees in the biome can appear to be pines, snowy evergreens, or leafless trees, but they always yield Boreal Wood when cut down. Acorns placed on Snow Blocks always grow into Boreal Trees.

A Snow biome is made of at least (Desktop, Console and Mobile versions)1500 / (Old-gen console and 3DS versions)300 Snow or Ice Blocks nearby, causing the water color and the background to change, but Snow plants and enemies can spawn on even a single block of Snow or Ice.

The Corruption, Crimson, and Hallow can spread to this biome through its Ice Blocks, either upon world generation or via improved biome spread in Hardmode.

During a Blood Moon, Penguins become Corrupt or Vicious.

In Hardmode, the Snow biome gets a bit of a boost. Ice Elementals and Wolves begin to spawn at night, and Blizzards can spawn the rare Ice Golem, a recurring lumbering giant with a frost beam attack that chills and even freezes players. Also, any enemy killed in the Snow biome in Hardmode has a 1/300 (0.33%) chance of dropping the Amarok(Desktop, Console and Mobile versions), a powerful yoyo that inflicts the Frostburn debuff on enemies.

The Dungeon holds a single Ice Chest, which is unlocked with a Frozen Key, obtainable from the Snow biome during Hardmode, but is only usable after Plantera is defeated. Enemies killed in the Snow biome have a 1/2500 (0.04%) chance of dropping the Frozen Key (on Desktop version Desktop, Console version Console, and Mobile version Mobile) or the Frozen Key Mold (on Old-gen console version Old-gen console and 3DSNintendo 3DS version). The Ice Chest holds the Staff of the Frost Hydra, a sentry summon weapon.

Fishing in the Snow biome has a chance of yielding Atlantic Cod, Frost Daggerfish(Desktop, Console and Mobile versions), and Frost Minnow. Atlantic Cod is used to craft Cooked Fish and Frost Minnow is used to craft Warmth Potions. Frost Daggerfish are consumable ranged weapons and can be useful at the beginning of the game. Frozen Crates(Desktop, Console and Mobile versions) and Boreal Crates(Desktop, Console and Mobile versions) can also be caught in the Snow biome in pre-Hardmode and Hardmode, respectively, and always include one unique item from Frozen Chests (alongside other loot).


See Ice biome for the content found in and under the Cavern layer.
Unique Drops
  • Snow armorSnow armor(1/30 (3.33%)(Desktop, Console and Mobile versions) / 1/150 (0.67%)(Old-gen console and 3DS versions) chance for each piece)
  • Pedguin's setPedguin's set(Desktop, Console and Mobile versions)(1/50 (2%) chance for each piece)
  • Frost StaffFrost Staff(1/50 (2%) chance)
  • Ice SickleIce Sickle(1/100 (1%)(Desktop, Console and Mobile versions) / 1/180 (0.56%)(Old-gen console and 3DS versions) chance)
From Wolves:
From any enemy in Hardmode:
  • AmarokAmarok(Desktop, Console and Mobile versions)(1/300 (0.33%) chance)
  • Frozen KeyFrozen Key(1/2500 (0.04%) chance, only on (Desktop, Console and Mobile versions))
  • Frozen Key MoldFrozen Key Mold(Old-gen console and 3DS versions)(1/2500 (0.04%) chance)
From Deerclops:
  • Boreal WoodBoreal Wood(Desktop, Console, Old-gen console and Mobile versions)
  • ShiverthornShiverthorn(Desktop, Console, Old-gen console and Mobile versions)
  • Shiverthorn SeedsShiverthorn Seeds(Desktop, Console, Old-gen console and Mobile versions)
  • CherryCherry(Desktop, Console and Mobile versions)
  • PlumPlum(Desktop, Console and Mobile versions)
From fishing:
For Sale
  • Ice MachineIce Machine(Desktop, Console, Old-gen console and Mobile versions)(Only on (Desktop, Console and Mobile versions))
Any Happy NPC Shop:

NPC happiness (Desktop, Console and Mobile versions)

Snow biomeSnow biome
Loved by
Disliked by
Hated byn/a

For more information, see NPC happiness.


  • (Desktop, Console and Mobile versions) If the player has consumed the Torch God's Favor, they can toggle Biome torch swap to place Ice Torches instead of regular Torches if they try to place regular Torches when in the Snow biome.
  • On the Nintendo 3DSNintendo 3DS version version, normal sized worlds only have a 1/3 (33.33%) chance of containing a Snow biome.
  • Player-created Snow biomes are possible by placing more than (Desktop, Console and Mobile versions)1500 / (Old-gen console and 3DS versions)300 Snow Blocks and/or Ice Blocks in an area.
  • Water does not turn into Ice Blocks in a Snow biome. Ice Blocks are generated only on world creation.
  • Snow biomes are somewhat resistant to surface Hallow and Corruption/Crimson spread, since Snow Blocks cannot be transformed. However, Ice Blocks are affected and will be transformed into Pink Ice Blocks (Hallow), Purple Ice Blocks (Corruption) and Red Ice Blocks (Crimson), which mostly affects the Ice biome.
  • Grass will not grow on Dirt Blocks in a Snow biome.
  • From surface to underground, the Snow biome initially generates in a trapezoidal shape, before it is overridden by other possible features, like deserts.
  • The Snow biome will always be located on the opposite side of the world as the Underground Desert and the Jungle. Both the Snow biome and Jungle can generate near or at spawn.


Snow Flinx and Penguin roasting a Marshmallow on a Stick, displayed on the Official Terraria Forums (Snow style).
  • The Angler calls the Snow biome Tundra.
    • This may just be an example of the Angler's usual childish tendencies.
    • It is only partly accurate to classify the Snow biome as a tundra in the physical-geographical sense. Arctic tundra is typically characterized by a very cold climate and permanently frozen soil, supporting only certain kinds of low-growing vegetation. Scattered trees grow in some tundra regions, but due to the frigid temperatures and permafrost they are not as plentiful as in Terraria's Snow biome. Nonetheless, the Snow biome presents a harsh, cold environment that could be likened to a tundra.
  • (Old-gen console and 3DS versions) The Snow biome is the only biome that is required to craft an item, the Snow Cloud.
  • (3DS version) The Angler will still display quests for the Mutant Flinxfin, Pengfish, and Tundra Trout even if the world does not contain a Snow biome.
  • The name Boreal Wood implies it originates in the far north.


This content is transcluded from Biome backgrounds § Snow biome.


  • Desktop 1.3.3: Added a new, more detailed visual for the Blizzard that drastically decreases visibility.
  • Desktop 1.2.1: Enemies within the Snow biome no longer drop Frozen Keys. Instead, they now drop Frozen Key Molds which can be crafted into Frozen Keys.