Frozen River

Frozen River

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A frozen river is an ice topped variant of the river that replaces the river in cold regions.

Frozen rivers generate in the same way as rivers do, forming long valleys below the sea level, cutting through inland terrain, but they only generate in the coldest temperature zones. Like rivers, they can form fjords or dry land depending on the surrounding terrain, and end abruptly far inland. Frozen rivers also replace swamp biomes in the frozen temperature zones.

Sometimes, frozen rivers can generate next to regular (i.e. non-snowy) taiga biomes, as these are able to generate in the same temperature range as frozen rivers. As a result, the central region of the river will be frozen over, but the edges have exposed water.^[1]

Frozen rivers often end in frozen oceans, although they can form loops.

In a frozen river biome, the water is completely covered in a layer of ice. Patches of land or river coasts are covered in snow.

Seagrass generates on the riverbed but cannot replace ice, and bushes can generate on land atop grass blocks. The rest of the frozen river biome generates exactly the same as any other biome, however, due to the extended coastlines, firefly bushes and sugar cane are more common, the latter uprooting itself due to the freezing water. When cutting through an ice spikes biome, spruce trees are often placed on land in the frozen river, although the biome itself does not generate them.

Salmon spawn in the water here, as well as rabbits and polar bears in Bedrock Edition. In Bedrock Edition, like some other cold biomes, only strays, skeletons and slimes can spawn at nighttime, as well as drowned underwater.

With Vibrant Visuals, frozen rivers use default atmospherics with a strong cold color grading, making the biome appear colder blue. They use cold sunlight, which appears slightly brighter at dusk and dawn.

The following mobs naturally spawn here:

In Java Edition

Mob	Spawn weight	Group size
Monster category
Creeper	100⁄516	4
Skeleton	100⁄516	4
Slime[note 1]	100⁄516	4
Spider	100⁄516	4
Zombie	95⁄516	4
Enderman	10⁄516	1–4
Witch	5⁄516	1
Zombie Villager	5⁄516	1
Drowned	1⁄516	1
Underground water creature category
Glow Squid	1	4–6
Water creature category
Squid	1	1–4
Water ambient category
Salmon	1	1–5
Ambient category
Bat	1	8

{ "hasNotes": true, "notes": { "Slime": "Spawn attempt succeeds only in slime chunks." }, "1": { "totalWeight": 516, "mobs": [ { "size": "4", "mob": "Creeper", "weight": 100 }, { "size": "4", "mob": "Skeleton", "weight": 100 }, { "note": "Spawn attempt succeeds only in slime chunks.", "mob": "Slime", "weight": 100, "notename": "Slime", "size": "4" }, { "size": "4", "mob": "Spider", "weight": 100 }, { "size": "4", "mob": "Zombie", "weight": 95 }, { "size": "1-4", "mob": "Enderman", "weight": 10 }, { "size": "1", "mob": "Witch", "weight": 5 }, { "size": "1", "mob": "Zombie Villager", "weight": 5 }, { "size": "1", "mob": "Drowned", "weight": 1 } ], "category": "monster" }, "2": { "totalWeight": 10, "mobs": [ { "size": "4-6", "mob": "Glow Squid", "weight": 10 } ], "category": "underground" }, "3": { "totalWeight": 2, "mobs": [ { "size": "1-4", "mob": "Squid", "weight": 2 } ], "category": "watercreature" }, "4": { "totalWeight": 5, "mobs": [ { "size": "1-5", "mob": "Salmon", "weight": 5 } ], "category": "waterambient" }, "5": { "totalWeight": 10, "mobs": [ { "size": "8", "mob": "Bat", "weight": 10 } ], "category": "ambient" } }

In Bedrock Edition

Mob	Spawn weight	Group size
Monster category
Slime[note 1]	100	1
Stray	96	1–2
Skeleton	24	1–2
Drowned	5	2–4
Creature category
Glow Squid	10	2–4
Squid	8	2–4
Rabbit	4	2–3
Polar Bear	1	1–2
Water creature category
Salmon	1	3–5

{ "hasNotes": true, "notes": { "Slime": "Spawn attempt succeeds only in slime chunks." }, "1": { "totalWeight": 225, "mobs": [ { "note": "Spawn attempt succeeds only in slime chunks.", "mob": "Slime", "weight": 100, "notename": "Slime", "size": "1" }, { "size": "1-2", "mob": "Stray", "weight": 96 }, { "size": "1-2", "mob": "Skeleton", "weight": 24 }, { "size": "2-4", "mob": "Drowned", "weight": 5 } ], "category": "monster" }, "2": { "totalWeight": 23, "mobs": [ { "size": "2-4", "mob": "Glow Squid", "weight": 10 }, { "size": "2-4", "mob": "Squid", "weight": 8 }, { "size": "2-3", "mob": "Rabbit", "weight": 4 }, { "size": "1-2", "mob": "Polar Bear", "weight": 1 } ], "category": "creature" }, "3": { "totalWeight": 16, "mobs": [ { "size": "3-5", "mob": "Salmon", "weight": 16 } ], "category": "watercreature" } }

These music tracks when the player is underwater in a frozen river:

These music tracks play while the player is not underwater in a frozen river:

In Creative mode, the following tracks can play:

Java Edition:

Name	Identifier	Translation key
Frozen River	frozen_river	biome.minecraft.frozen_river

Bedrock Edition:

Name	Identifier	Numeric ID
[No displayed name]	frozen_river	11

Icon		Achievement	In-game description	Actual requirements (if different)	Gamerscore earned	Trophy type (PS)
PS4	Other
		Adventuring Time	Discover 17 biomes.	Visit any 17 biomes. Does not have to be in a single world.	40	Silver

Icon	Advancement	In-game description	Actual requirements (if different)
	Adventuring Time	Discover every biome	Visit all of these 55​[until: Third Drop 2026]/56​[upcoming] biomes: Badlands Bamboo Jungle Beach Birch Forest Cherry Grove Cold Ocean Dappled Forest Dark Forest Deep Cold Ocean Deep Dark Deep Frozen Ocean Deep Lukewarm Ocean Deep Ocean Desert Dripstone Caves Eroded Badlands Flower Forest Forest Frozen Ocean Frozen Peaks Frozen River Grove Ice Spikes Jagged Peaks Jungle Lukewarm Ocean Lush Caves Mangrove Swamp Meadow Mushroom Fields Ocean Old Growth Birch Forest Old Growth Pine Taiga Old Growth Spruce Taiga Pale Garden Plains River Savanna Savanna Plateau Snowy Beach Snowy Plains Snowy Slopes Snowy Taiga Sparse Jungle Stony Peaks Stony Shore Sunflower Plains Sulfur Caves Swamp Taiga Warm Ocean Windswept Forest Windswept Gravelly Hills Windswept Hills Windswept Savanna Wooded Badlands The advancement is only for Overworld biomes. Other biomes may also be visited, but are ignored for this advancement.

Issues relating to "Frozen River" are maintained on the bug tracker. Issues should be reported and viewed there.

• 
  Frozen river carved a fjord through mountainous terrain
• 
  A frozen river that continued through a taiga, leading to odd-looking generation
• 
  A frozen river single biome world

• 
  A frozen river single biome world before 1.18
• 
  A frozen river with ray tracing

• 
  Frosted Fjord, a level in Minecraft Dungeons set on a frozen river
• 
  Kai in front of a gingerbread house, in front of a frozen river

• River
• Snowy beach
• Frozen ocean

• "Around the Block: Frozen River" by Duncan Geere – Minecraft.net, November 28, 2023.