Frozen River – Biome | 9Minecraft Wiki

Contents (3)

Mobs that spawn here
Climate
Data

Mobs that spawn here

Category	Mob	Weight	Group size
ambient	Bat	10	8
monster	Spider	100	4
monster	Zombie	95	4
monster	Zombie Villager	5	1
monster	Skeleton	100	4
monster	Creeper	100	4
monster	Slime	100	4
monster	Enderman	10	random 1–4
monster	Witch	5	1
monster	Drowned	1	1
monster	Frostbite	25	4
underground water creature	Glow Squid	10	random 4–6
water ambient	Salmon	5	random 1–5
water creature	Squid	2	random 1–4

Climate

Temperature	0
Downfall	0.5
Precipitation	True
Sky colour	#7fa1ff
Water colour	#3938c9

Data

From data/minecraft/worldgen/biome/frozen_river.json.

attributes

audio/background_music	`{"creative": {"max_delay": 24000, "min_delay": 12000, "sound": "minecraft:music.creative"}, "default": {"max_delay": 24000, "min_delay": 12000, "sound": "minecraft:music.game"}, "underwater": {"max_delay": 24000, "min_delay": 12000, "sound": "minecraft:music.…`
gameplay/natural_mob_spawns	`{"argument": {"spawn_costs": {}, "spawns_by_category": {"ambient": [{"type": "minecraft:bat", "count": 8, "weight": 10}], "monster": [{"type": "minecraft:spider", "count": 4, "weight": 100}, {"type": "minecraft:zombie", "count": 4, "weight": 95}, {"type": "mi…`
visual/sky_color	#7fa1ff

carvers ["minecraft:cave", "minecraft:cave_extra_underground", "minecraft:canyon"]

downfall 0.5

effects {"water_color": "#3938c9"}

features ], ["minecraft:lake_lava_underground", "minecraft:lake_lava_surface"], ["minecraft:amethyst_geode"], ["minecraft:monster_room", "minecraft:monster_room_deep"], [], [], ["minecraft:ore_dirt", "minecraft:ore_granite_upper", "minecraft:ore_granite_lower", "min…

has_precipitation true

temperature 0.0

Extracted from Minecraft 26.4-snapshot-5 on 22 October 2026. 9Minecraft is not affiliated with Mojang or Microsoft.

Identifier	`minecraft:frozen_river`
Kind	Biome
Source	`worldgen/biome/frozen_river.json`