Nether Fortress
Nether fortresses are the only place blazes and wither skeletons spawn naturally, and the only survival source of nether wart.
Structure facts
- Identifier
- minecraft:nether_fortress
- Dimension
- Nether
- Added in
- Minecraft 1.16
- Region spacing
- 27 chunks (432 blocks)
- Separation
- 4 chunks
- Placement salt
- 30084232
- Offset distribution
- Linear (uniform)
Generation conditions
Minecraft divides the world into 27×27 chunk regions and picks one candidate position per region, keeping a separation of 4 chunks from the region edge. The candidate is then accepted only if the terrain at that position is suitable.
How to find a nether fortress
- Open your seed. Enter your world seed on the seed map and choose the Minecraft version your world was created in.
- Enable the layer. Turn on the nether fortresses layer in the map panel.
- Pick the closest marker. Pan around spawn and choose the marker nearest to where you play.
- Copy the coordinates. Select the marker and copy its coordinates, or copy the ready-made teleport command.
- Travel there. Since 1.16 fortresses and bastions share one placement grid — a region contains one or the other, never both.
Coordinate notes
Markers are placed at the structure start position — the corner chunk Minecraft uses to begin generation — offset to the centre of that chunk. The building itself extends outward from there, so expect the visible structure to sit within a chunk or two of the marker. Because the Nether is compressed 8:1, dividing an Overworld coordinate by eight gives the matching Nether position.
Versions
Nether Fortresses can be mapped for these Minecraft versions: