Dark Forest Crater with an Ancient City About 200 Blocks West — Java 26.3

A low Dark Forest valley ringed by high ground, with an Ancient City about 200 blocks to the west.

Top-down 2D biome map centred on spawn in a Dark Forest valley, with markers for the Ancient City to the west and a Ruined Portal to the south-east.
Java 26.3 Edition Java Spawn 8, 8 Biome Dark Forest Structures 2
Ancient CityBirch ForestDark ForestForestGroveMeadowOceanOld Growth Birch ForestPlainsSavannaRuined PortalStronghold
Open in the seed map →
Seed 1945167688361397143

Copy it into Minecraft 26.3 (Java).

You start at the bottom of a valley, with the ground at least 40 blocks higher in most directions within about 700 blocks and the rim rising about 91 blocks above the floor. The Ancient City sits about 200 blocks west of spawn, which is unusually close this early. A Ruined Portal lies about 215 blocks south-east. Dark Forest covers spawn, with Grove and Jagged Peaks within about 130 blocks.

Structures near spawn
Ancient City ← W -192, 16 200
Ruined Portal ↘ SE 160, 160 215
💎 Diamonds, open to a cave ↗ NE 19, -4 Y -17 16
💎 Diamonds, dig down ↘ SE 10, 9 Y 2 2
Biome mix near spawn
Forest 19%
Dark Forest 18%
Plains 13%
River 6%
Birch Forest 6%
Old Growth Birch Forest 6%
Savanna 5%