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For the Java Edition version of this guide, see Java Edition guides/Caves & Cliffs.
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This guide is a simplified overview of all changes in the Caves & Cliffs updates (Bedrock Edition 1.17.x and Bedrock Edition 1.18.x releases), which assumes at least some familiarity with the Nether Update (Bedrock Edition 1.16.x releases).

Mobs[]

New[]

Name Image Habitat Drops Note
Axolotl
  • Lush Caves
  • None
  • Comes in 5 variants.
  • Can be picked up in buckets.
  • Attacks all fish, squids, guardians, and drowned.
  • Gives Regeneration I and removes Mining Fatigue I when the player helps an axolotl kill a mob.
  • Bred with a bucket of tropical fish.
  • "Plays dead" to regenerate health.
Glow Squid
  • Underground water
  • Glows in the dark, similar to spider and enderman eyes.
  • Temporarily loses glow when attacked.
Goat
  • Mountains (Snowy Slopes, Jagged Peaks, and Frozen Peaks)
  • Jumps higher than other mobs.
  • May attack other mobs by ramming them.
  • Rarely spawns as a screaming goat, which has a unique set of sounds and a more hostile behavior.
  • Bred with wheat.
  • Can be milked.
  • Runs on its own.

Changed[]

Name Image Changed
Drowned
  • Drops copper ingots instead of gold ingots.
Stray

Blocks[]

New[]

Name Image Obtaining Tool Required Uses
Amethyst Buds and Cluster
  • Grows on the sides of budding amethyst.
Can drop loot with hand, but the proper tool is the pickaxe.
Block of Amethyst
Ingredients Crafting recipe
Amethyst Shard

  • Generates inside of amethyst geodes.
Pickaxe (Iron or better)
  • Used for decoration.
Budding Amethyst
  • Generates inside of amethyst geodes.
  • Cannot be obtained.
Pickaxe (drops nothing)
Calcite
  • Generates in the middle layer of amethyst geodes.
  • Generates in strips in stony peaks biomes.
Pickaxe
  • Used for decoration.
Smooth Basalt
  • Generates on the outer layer of amethyst geodes.
Ingredients Smelting recipe
Basalt +
Any fuel


0.1
Pickaxe
  • Used for decoration.
Tuff
  • Generates in patches below Y=0.
  • Generates as filler rock in iron ore veins.
Pickaxe
  • Used for decoration.
Tinted Glass
Ingredients Crafting recipe
Amethyst Shard +
Glass
Any
  • Glass that doesn't allow light to pass through.
Copper Ore
  • Found in the Overworld from Y=0 to Y=96; most common at Y=47-48.
Pickaxe (Stone or better)
  • Drops raw copper.
Copper Block
Ingredients Crafting recipe
Copper Ingot

Pickaxe (Stone or better)
  • Used for decoration.
  • Advances to the next stage of Weathering every 50-82 in-game days.
  • Can crafted or used with Honeycomb to become waxed, which stops it from weathering.
  • Weathering can be reduced with an axe or by a lightning strike.
Cut Copper
Ingredients Crafting recipe
Copper Block
Pickaxe (Stone or better)
  • Used for decoration.
  • Advances to the next stage of Weathering every 50-82 In game days.
  • Can crafted or used with Honeycomb to become waxed, which stops it from weathering.
  • Weathering can be reduced by an axe or a lightning strike.
Cut Copper Slabs and Stairs

Ingredients Crafting recipe
Cut Copper
Ingredients Crafting recipe
Cut Copper
Pickaxe (Stone or better)
  • Used for decoration.
  • Advances to the next stage of Weathering every 50-82 in-game days.
  • Can crafted or used with Honeycomb to become waxed, which stops it from weathering.
  • Weathering can be reduced by an axe or a lightning strike.
Lightning Rod
Ingredients Crafting recipe
Copper Ingot

Pickaxe (Stone or better)
  • Used to redirect lightning, possibly to avoid fires or for use in farms.
Candle
Ingredients Crafting recipe
String +
Honeycomb

Any
  • Can be used as a light source but it needs to be lit with flint and steel, fire charges, or flaming arrows.
  • Can be dyed.
  • Can be placed in groups of four.
  • Can be placed on top of a cake to make a cake with candle.
Powder Snow
  • Obtained from cauldrons laid out under snowy weather.
  • Generates in groves and snowy slopes.
Shovel
  • Picked up with a bucket.
  • Mobs and players can sink and walk through powder snow, taking freezing damage.
  • Leather armor provides immunity to freezing. Leather boots prevent sinking.
  • Skeletons buried in powder snow transform into strays.
  • Can be placed by dispensers containing powder snow buckets.
  • Puts out flames on burning mobs, at the cost of the powder snow block being destroyed.
  • Fire mobs (blazes, magma cubes, striders) take more damage from freezing; ice mobs (strays, polar bears, snow golems) and the Wither are immune to freezing.
Dripstone Block
Ingredients Crafting recipe
Pointed Dripstone

Pickaxe
  • Used for growing pointed dripstone if a water source is above the block.
Pointed Dripstone
  • Generates in dripstone caves.
  • Generates in dripstone clusters.
  • Grown from dripping stalactites.
  • Sold by wandering traders.
Any
  • Stalagmites deal damage to any entity that falls or jumps on top of it.
  • Stalactites fall when the block above it is broken, dealing damage to any entity it hits.
  • Stalactites can drip water, or lava if there is lava above the stalactite. These drops can be picked up by cauldrons, and also allows for renewable lava.
  • Can be broken with tridents.
Sculk Sensor
  • TBA
Hoe
  • Detects vibrations made from nearby entities or blocks and emits a redstone signal.
  • Redstone comparators can measure vibration frequencies from sculk sensors and convert them into redstone signals of different strengths.
  • Detects only certain things, such as entities walking, flapping wings, or blocks being placed or broken.
  • Cannot detect vibrations made behind a block of wool.
Glow Item Frame
Ingredients Crafting recipe
Item Frame +
Glow Ink Sac

  • An item frame that glows.
Glow Lichen File:Glow Lichen (N) BE1.png
  • Generates in caves.
Shears
  • Produces light.
  • Can be spread with bone meal.
Azalea
  • Generates in lush caves.
  • Grows from moss blocks fertilized with bone meal.
  • Drops from azalea leaves.
Any
  • Used for decoration.
  • Comes in normal and flowering variants.
  • Can be grown into azalea trees.
Azalea Leaves
  • Generates on azalea trees.
Shears
  • Used for decoration.
  • Comes in normal and flowering variants.
Cave Vines

  • Generates in lush caves.
Any
  • Grows glow berries.
  • Vines with berries on them produce light.
Big Dripleaf
  • Generates in lush caves.
  • Grows when small dripleaves are bone mealed.
Axe
  • Can be stood upon.
  • Tilts if an entity stands on it for longer than 1 second, causing the entity to fall through.
  • Immediately tilts if hit by a projectile.
  • A redstone signal prevents it from tilting.
Small Dripleaf
  • Generates in lush caves.
  • Sold by wandering traders.
Shears
  • Grows into big dripleafs.
  • Can be planted only on clay blocks, moss blocks, or while submerged in water.
Hanging Roots
  • Generates beneath azalea trees.
  • Grows from rooted dirt fertilized with bone meal.
Shears
  • Used for decoration.
Rooted Dirt
  • Generates beneath azalea trees.
  • Sold by wandering traders.
Any
  • Shearing rooted dirt drops hanging roots and converts it into regular dirt.
  • Hanging roots can be grown by applying bone meal.
Moss Block
  • Generates in lush caves.
  • Grows from moss blocks fertilized with bone meal.
  • Can be found in shipwreck chests.
  • Sold by wandering traders.
Axe
  • Applying bone meal creates grass, moss carpets, azaleas, and flowering azaleas.
  • Applying bone meal converts adjacent stone and sediment-based blocks into moss blocks.
  • Prevents saplings placed on it from growing into trees.
Moss Carpet
  • Generates in lush caves.
  • Grows from moss blocks fertilized with bone meal.
Any
  • Used for decoration.
Spore Blossom
  • Generates in lush caves.
Any
  • Produces spore particles.
Deepslate
  • Generates below Y=8.
Pickaxe
  • Used for decoration.
Infested Deepslate
  • Generates when a silverfish infests deepslate.
Pickaxe
  • Spawns a silverfish when broken.
Cobbled Deepslate
  • Drops from deepslate.
Pickaxe
  • Used to craft stone tools, furnaces, and brewing stands.
Polished Deepslate
Ingredients Crafting recipe
Cobbled Deepslate
Pickaxe
  • Used for decoration.
Deepslate Bricks and
Cracked Deepslate Bricks

Ingredients Crafting recipe
Polished Deepslate
Ingredients Smelting recipe
Deepslate Bricks +
Any fuel


0.1
Pickaxe
  • Used for decoration.
Deepslate Tiles and
Cracked Deepslate Tiles

Ingredients Crafting recipe
Deepslate Bricks
Ingredients Smelting recipe
Deepslate Tiles +
Any fuel


0.1
Pickaxe
  • Used for decoration.
Chiseled Deepslate
Ingredients Crafting recipe
Cobbled Deepslate Slab

Pickaxe
  • Used for decoration.
Cobbled Deepslate,
Polished Deepslate,
Deepslate Brick and
Deepslate Tile
Slab, Stairs and Wall

Ingredients Crafting recipe
Cobbled Deepslate or
Polished Deepslate or
Deepslate Bricks or
Deepslate Tiles
Ingredients Crafting recipe
Cobbled Deepslate or
Polished Deepslate or
Deepslate Bricks or
Deepslate Tiles
Ingredients Crafting recipe
Cobbled Deepslate or
Polished Deepslate or
Deepslate Bricks or
Deepslate Tiles
Pickaxe
  • Used for decoration.
Deepslate Ores
  • Generates wherever deepslate and tuff generate.
Pickaxe
  • Function the same as their stone equivalents, but take twice as long to mine.
Blocks of Raw Iron, Copper and Gold
Ingredients Crafting recipe
Raw Iron or
Raw Copper or
Raw Gold

Pickaxe
  • Used for storage of raw metals.

Changed[]

Name Image Changed
Cake
  • Can now have candles placed on them.
Cauldron
  • Now used to collect dripping liquids from pointed dripstone.
  • Can now be filled with powder snow.
All Signs
  • Have been given new textures.
  • Sign text can now be made to glow using glow ink sacs.
  • A normal ink sac can be used to remove the glowing effect.
Coal, Diamond, Emerald, Gold, Iron, Lapis Lazuli and Redstone Ore
  • Have been given new textures for accessibility.
  • Iron ore and gold ore now drop raw iron and raw gold respectively instead of themselves.
Blackstone, Polished Blackstone Bricks and Cracked Polished Blackstone Bricks
  • Have been given new textures.
Mossy Cobblestone and Mossy Stone Bricks
  • Can now be crafted using moss blocks.

Items[]

New[]

Name Image Obtaining Uses
Amethyst Shard
  • Obtained by breaking fully grown Amethyst Clusters.
  • Can be used to craft spyglasses and tinted glass.
  • Four Amethyst Shards can create an Amethyst Block
Copper Ingot
Ingredients Smelting recipe
Copper Ore +
Any fuel


0.7
  • Have a chance to be dropped by drowned.
  • Can be used to craft copper blocks, lightning rods and spyglass.
Spyglass

Ingredients Crafting recipe
Amethyst Shard +
Copper Ingot

  • When used, the player's view zooms in, allowing them to see distant objects close up.
Powder Snow Bucket
  • Obtained by using a bucket on a snow cauldron or block of powder snow.
  • Can be used to place powder snow.
Bucket of Axolotl
  • Obtained by using a bucket on an axolotl.
  • Can be used to spawn an axolotl.
Glow Ink Sac
  • Drops from glow squids.
  • Can be used to make sign text glow.
  • Can be used to craft glow item frames.
Glow Berries
  • Grows on cave vines.
  • Can be found in mineshaft chests.
  • Produces light while on the vine.
  • Can be eaten to restore 2 (🍗) and 0.4 saturation.
  • Can be used to plant cave vines.
  • Can be fed to foxes.
Raw Iron, Copper and Gold
Ingredients Crafting recipe
Block of Raw Iron or
Block of Raw Copper or
Block of Raw Gold
  • Drop from their respective ores.
  • Can be smelted into ingots.
  • Makes iron ore, gold ore, and copper ore compatible with the Fortune enchantment.
Music Disc ("otherside")
Spawn Eggs for all new mobs
  • Obtained from the creative inventory.
  • Can be used to spawn the corresponding mob.

Changed[]

Name Image Changed
Clock
  • Has been given a new texture.
Compass and Lodestone Compass
  • Have been given new textures.
Doors (excluding crimson and warped)
  • Have been given new item textures.
Signs
  • Have been given new item textures.
Sugar Cane
  • Has been given a new texture.

Structures[]

New[]

Name Image Generates Chests Mobs Description
Amethyst geode
  • Underground
  • No
  • No
  • A round chamber consisting of an amethyst and budding amethyst inner wall, a smooth basalt outer wall, and a layer of calcite in between.
  • Comes in many different sizes.
Dripstone Cluster
  • No
  • No
  • A large vertical cluster of dripstone blocks.
Azalea Tree
  • Above Lush Caves
  • Grown from azalea and flowering azalea.
  • No
  • No
  • Indicates the location of a lush caves biome.
  • Lots of rooted dirt generate below natural azalea trees.
  • A tree currently made of azalea leaves and oak logs.
Ore vein
  • Underground
  • No
  • No
  • A large cluster of long strips of stones and ores.
  • Granite and copper ore veins generate above Y level 0.
  • Tuff and iron ore veins generate below Y level 0.

Changed[]

Name Image Changed
Mineshaft
  • Mineshaft pieces no longer generate if they would be fully floating in the air.
  • Corridors now generate with oak log or dark oak log pillars or chains for support if needed.
  • Cobwebs no longer generate if they would not be connected to solid blocks.
Stronghold
  • Now generate encased in stone, preventing nearby caves from intersecting them.
Fossil

Biomes[]

New[]

Name Image Description Structures
Dripstone Caves
  • Contains lots of dripstone blocks and pointed dripstone on the floor and ceiling.
  • There are large columns made of dripstone blocks extending from the ceiling to the floor of the cave.
  • Contains many small pools of water.
  • Contains larger deposits of copper ore.
Lush Caves
  • An azalea tree generates on the surface to indicate the biome's location.
  • Terrain is covered with lots of moss and clay.
  • Many kinds of plants grow in this biome, including grass, vines, dripleaves, azalea, cave vines, and spore blossoms.
  • Contains many pools and terraces made of clay and water.
Meadow
  • A new mountain sub-biome that often generates at the base of mountains.
  • Resembles a plains biome with blueish grass and numerous flowers.
Grove
  • A new mountain sub-biome that generates on the slopes of mountains.
  • Resembles a snowy taiga biome with a surface made of snow blocks and powder snow.
Snowy Slopes
  • A new mountain sub-biome that generates on the slopes of mountains.
  • Consists of several layers of snow and powder snow blocks on top of stone.
Stony Peaks
  • A mountain sub-biome that generates on the peaks of mountains.
  • Usually generates when the surrounding base biomes are too hot for jagged or frozen peaks.
  • Has a surface made of stone and strips of calcite.
Jagged Peaks
  • A mountain sub-biome that generates on the peaks of mountains.
  • More likely to generate as sharp peaks compared to the other peak biomes.
  • Has a surface made of stone and snow.
Frozen Peaks
  • A mountain sub-biome that generates on the peaks of mountains.
  • Tends to generate rounded peaks.
  • Has a surface made of snow and packed ice.

Changed[]

Name Image Changed
All Biomes

  • Terrain, cave, and biome generation has been completely overhauled.
  • The height limit and depth limit have both been increased by 64 blocks.
  • There is now natural variation in terrain shape and elevation independently from biomes.
  • New mountain biomes and cave biomes have been added.
  • Cave biomes generate naturally underground and inside mountains.
  • Cave generation has been overhauled to include new types of caves, such as cheese, spaghetti, and noodle caves.
  • Local water levels and lava levels in caves can create underground water and lava lakes at different elevations.
  • Ore distribution has been overhauled, with each ore now peaking in frequency at a different elevation.
  • Large underground ore veins have been added.
  • Clouds have been raised to Y level 192.
  • There is now much more variation in beach size.