Find the nearest city
Java Edition · seed-accurate via cubiomes
The map opens on this seed in the Overworld, with ancient city the only marker switched on.
Try these seeds
Documented Minecraft Java Edition seeds. Click to load — the finder reruns automatically.
- pack.png seed 3257840388504953787 Notch's launcher-icon seed. Modern world-gen places a Deep Dark biome with an ancient city within typical-distance range.
- Java 1.20 title panorama 8554477380691140270 Cherry Grove launch seed — fully supported in 1.21.x where ancient cities exist (added in 1.19).
- Java 1.19 panorama — "thewildupdate" thewildupdate Mojang's Wild Update marketing seed (text seed, hashed to -1696067516). Showcases the biome the Deep Dark belongs to.
About Ancient City
What the structure is, and what it's worth the trip for
Added in 1.19, Ancient Cities are the loot endgame for the Deep Dark biome — the only source of Swift Sneak books, Echo Shards for Recovery Compasses, and the Disc 5 fragments. They're also the only place a Warden naturally spawns.
They're rare — the game places them on a 24×24 chunk region grid below Y=-30, and only inside Deep Dark. This finder validates the biome before reporting a hit.
How it works
The placement rules this finder reproduces
Ancient cities live deep underground — the cubiomes biome map is sampled at Y = -50 (a stable Deep Dark zone). Each 24-chunk region is tested for a candidate position; only candidates landing in Deep Dark survive validation.
If the finder reports "no city" within 12 regions, the next nearest is probably 8000+ blocks away. Use the full seed map to scan a wider area visually.
Tips
Getting a useful result on the first search
- Bring Swift Sneak III on leggings — it raises your sneak speed from 30% to 75%, vital for Warden avoidance.
- Wool blocks completely dampen sculk sensors. Pack at least 64.
- Mine straight down to Y=-50 above the city, then approach via tunnels — never light up the Deep Dark surface.
- Open the central chest in the redstone room last — it shrieks and summons the Warden if you're spotted.
- The full seed map shows mineshaft + dungeon overlays for safer approach planning.
Frequently asked questions
What people ask about finding this structure
How do I find an ancient city? +
Ancient cities generate in Deep Dark biomes around y = -52 on a 24×24-chunk region grid. Enter a seed above and this finder returns the nearest ancient city's surface (x, z) — dig straight down or follow a cave once you arrive.
What Y level is an ancient city? +
The reference floor sits near y = -52 (mostly between y = -51 and y = -40 once you account for the building height). The Deep Dark biome only exists below roughly y = 0, which is why these structures live deep in the Caves & Cliffs underground.
Are ancient cities rare? +
Less rare than woodland mansions but still uncommon — the 24-chunk region grid plus Deep Dark biome restriction means a typical seed places the closest one 500 to 3000 blocks from spawn. The Warden makes them feel rarer than they are because most players avoid the biome.
Related on Crafty
The tools that pair with this one
More finders
The rest of the seed-based structure set