Best 1.20 Bastion Seeds

Enter the Nether close to a bastion remnant. Each seed includes coordinates and a map.

Java Edition 1.20 · 50 seeds checked against category criteria

These seeds use Java 1.20 (Trails & Tales) generation. Browse all 1.20 categories →

All 50 seeds for Java 1.20

Also has nearby
Predicted biome map of Java 1.20 seed 2427839458533516725 around estimated spawn Explore this seed
#1

2427839458533516725

A bastion remnant is 3 nether blocks from the spawn portal anchor, at X 0, Z 0.

Estimated spawn
16, -16 (Desert)
Stronghold
1,844 blocks
  • Bastion Remnant3
  • Desert Temple209
  • Ruined Portal371
  • Village422

Nearby biomes: Desert · River · Jungle · Forest

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Predicted biome map of Java 1.20 seed 4462460704910552679 around estimated spawn Explore this seed
#2

4462460704910552679

A bastion remnant is 55 nether blocks from the spawn portal anchor, at X 0, Z 96.

Estimated spawn
96, 336 (Plains)
Stronghold
2,143 blocks
  • Bastion Remnant55
  • Ruined Portal86
  • Woodland Mansion1,102

Nearby biomes: Plains · Deep Lukewarm Ocean · Deep Ocean · Lukewarm Ocean · Savanna · Ocean

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Predicted biome map of Java 1.20 seed 8270944827548553677 around estimated spawn Explore this seed
#3

8270944827548553677

A bastion remnant is 58 nether blocks from the spawn portal anchor, at X 32, Z 48.

Estimated spawn
0, 0 (Forest)
Stronghold
1,452 blocks
  • Bastion Remnant58
  • Ruined Portal306
  • Village390

Nearby biomes: Plains · Forest · River · Taiga

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Predicted biome map of Java 1.20 seed 5146470542034745094 around estimated spawn Explore this seed
#4

5146470542034745094

A bastion remnant is 80 nether blocks from the spawn portal anchor, at X 48, Z 64.

Estimated spawn
0, 0 (Old Growth Birch Forest)
Stronghold
1,718 blocks
  • Bastion Remnant80
  • Ruined Portal304
  • Village453

Nearby biomes: Forest · Old Growth Birch Forest · Plains · Swamp · River · Windswept Forest

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Predicted biome map of Java 1.20 seed -6745719717168981111 around estimated spawn Explore this seed
#5

-6745719717168981111

A bastion remnant is 81 nether blocks from the spawn portal anchor, at X 64, Z 48.

Estimated spawn
-48, 64 (Dark Forest)
Stronghold
2,296 blocks
  • Bastion Remnant81
  • Ancient City229
  • Pillager Outpost346
  • Ruined Portal445

Nearby biomes: Plains · Dark Forest · Dripstone Caves · Lush Caves · Forest · Birch Forest

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Predicted biome map of Java 1.20 seed 6589961050493368961 around estimated spawn Explore this seed
#6

6589961050493368961

A bastion remnant is 96 nether blocks from the spawn portal anchor, at X 16, Z -80.

Estimated spawn
176, 128 (Old Growth Birch Forest)
Stronghold
2,124 blocks
  • Bastion Remnant96
  • Ruined Portal294
  • Ocean Monument448

Nearby biomes: Savanna · Ocean · Lukewarm Ocean · Forest · River · Deep Ocean

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Predicted biome map of Java 1.20 seed 6119259111172273226 around estimated spawn Explore this seed
#7

6119259111172273226

A bastion remnant is 100 nether blocks from the spawn portal anchor, at X 32, Z -80.

Estimated spawn
-64, 96 (Jungle)
Stronghold
2,118 blocks
  • Bastion Remnant100
  • Ruined Portal148

Nearby biomes: Forest · Jungle · Bamboo Jungle · River · Sparse Jungle · Plains

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Predicted biome map of Java 1.20 seed -7794483279743768810 around estimated spawn Explore this seed
#8

-7794483279743768810

A bastion remnant is 115 nether blocks from the spawn portal anchor, at X -112, Z 16.

Estimated spawn
20, 12 (Mangrove Swamp)
Stronghold
2,219 blocks
  • Bastion Remnant115
  • Village385
  • Ruined Portal409

Nearby biomes: Mangrove Swamp · Savanna · Lukewarm Ocean · Windswept Savanna · River · Plains

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Predicted biome map of Java 1.20 seed -9086168771551330094 around estimated spawn Explore this seed
#9

-9086168771551330094

A bastion remnant is 116 nether blocks from the spawn portal anchor, at X 48, Z -80.

Estimated spawn
80, 240 (Beach)
Stronghold
1,691 blocks
  • Bastion Remnant116
  • Ruined Portal248
  • Village497

Nearby biomes: Forest · Ocean · River · Old Growth Birch Forest · Deep Ocean · Plains

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Predicted biome map of Java 1.20 seed -2866717019045031474 around estimated spawn Explore this seed
#10

-2866717019045031474

A bastion remnant is 123 nether blocks from the spawn portal anchor, at X -96, Z -96.

Estimated spawn
-224, 48 (Plains)
Stronghold
2,063 blocks
  • Bastion Remnant123
  • Ruined Portal395
  • Ocean Monument494

Nearby biomes: Ocean · Forest · Deep Ocean · Deep Cold Ocean · Plains · Birch Forest

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Predicted biome map of Java 1.20 seed 1291144561841587732 around estimated spawn Explore this seed
#11

1291144561841587732

A bastion remnant is 132 nether blocks from the spawn portal anchor, at X -80, Z -160.

Estimated spawn
-144, -352 (Dark Forest)
Stronghold
2,662 blocks
  • Bastion Remnant132
  • Ruined Portal344
  • Ocean Monument345

Nearby biomes: Ocean · Old Growth Birch Forest · Deep Ocean · Forest · Dark Forest · Lukewarm Ocean

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Predicted biome map of Java 1.20 seed 6274624916921100796 around estimated spawn Explore this seed
#12

6274624916921100796

A bastion remnant is 135 nether blocks from the spawn portal anchor, at X -128, Z 64.

Estimated spawn
-64, 16 (Forest)
Stronghold
2,228 blocks
  • Bastion Remnant135
  • Ruined Portal336

Nearby biomes: Ocean · Cold Ocean · Forest · Plains · Deep Cold Ocean · Stony Shore

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Predicted biome map of Java 1.20 seed -627500552646631171 around estimated spawn Explore this seed
#13

-627500552646631171

A bastion remnant is 138 nether blocks from the spawn portal anchor, at X 80, Z -112.

Estimated spawn
0, 0 (Dripstone Caves)
Stronghold
2,343 blocks
  • Bastion Remnant138
  • Ancient City179
  • Ruined Portal210

Nearby biomes: Dripstone Caves · Forest · Ocean · Plains · Dark Forest · Lush Caves

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Predicted biome map of Java 1.20 seed 8988179479832844703 around estimated spawn Explore this seed
#14

8988179479832844703

A bastion remnant is 143 nether blocks from the spawn portal anchor, at X 80, Z -128.

Estimated spawn
208, 32 (Jungle)
Stronghold
1,408 blocks
  • Bastion Remnant143
  • Ruined Portal260
  • Ocean Monument322
  • Pillager Outpost480

Nearby biomes: Lukewarm Ocean · Savanna · Deep Lukewarm Ocean · Forest · Beach · River

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Predicted biome map of Java 1.20 seed -7139259540174741930 around estimated spawn Explore this seed
#15

-7139259540174741930

A bastion remnant is 150 nether blocks from the spawn portal anchor, at X 80, Z 128.

Estimated spawn
16, 0 (Plains)
Stronghold
1,787 blocks
  • Bastion Remnant150
  • Ancient City172
  • Ruined Portal352

Nearby biomes: Dripstone Caves · Plains · Forest · Savanna · River · Sparse Jungle

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Predicted biome map of Java 1.20 seed -1503510227605511449 around estimated spawn Explore this seed
#16

-1503510227605511449

A bastion remnant is 169 nether blocks from the spawn portal anchor, at X 160, Z 0.

Estimated spawn
-64, 112 (Forest)
Stronghold
1,945 blocks
  • Bastion Remnant169
  • Ruined Portal339
  • Ocean Monument462

Nearby biomes: Ocean · Forest · Deep Ocean · Beach · River · Taiga

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Predicted biome map of Java 1.20 seed -4617613907374904053 around estimated spawn Explore this seed
#17

-4617613907374904053

A bastion remnant is 170 nether blocks from the spawn portal anchor, at X -112, Z 128.

Estimated spawn
0, 0 (Forest)
Stronghold
1,451 blocks
  • Bastion Remnant170
  • Ruined Portal390
  • Village432

Nearby biomes: Forest · Birch Forest · Ocean · Plains · River

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Predicted biome map of Java 1.20 seed -1399643094821590709 around estimated spawn Explore this seed
#18

-1399643094821590709

A bastion remnant is 171 nether blocks from the spawn portal anchor, at X 0, Z 96.

Estimated spawn
-320, -560 (Plains)
Stronghold
1,363 blocks
  • Ruined Portal113
  • Bastion Remnant171
  • Ocean Monument420

Nearby biomes: Ocean · Lukewarm Ocean · Deep Lukewarm Ocean · Plains · Deep Ocean · Beach

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Predicted biome map of Java 1.20 seed 7518794703869479661 around estimated spawn Explore this seed
#19

7518794703869479661

A bastion remnant is 173 nether blocks from the spawn portal anchor, at X -224, Z 48.

Estimated spawn
-448, 48 (Savanna)
Stronghold
1,362 blocks
  • Bastion Remnant173
  • Ruined Portal351
  • Village413

Nearby biomes: Warm Ocean · Plains · Lukewarm Ocean · Savanna · Desert · Sparse Jungle

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Predicted biome map of Java 1.20 seed -6088855199694087179 around estimated spawn Explore this seed
#20

-6088855199694087179

A bastion remnant is 179 nether blocks from the spawn portal anchor, at X -80, Z 160.

Estimated spawn
0, 0 (Old Growth Birch Forest)
Stronghold
2,610 blocks
  • Bastion Remnant179
  • Ruined Portal227

Nearby biomes: Forest · Old Growth Pine Taiga · Old Growth Spruce Taiga · Taiga · Beach · River

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Predicted biome map of Java 1.20 seed -5361937568372036523 around estimated spawn Explore this seed
#21

-5361937568372036523

A bastion remnant is 181 nether blocks from the spawn portal anchor, at X 32, Z -176.

Estimated spawn
16, 16 (Forest)
Stronghold
2,400 blocks
  • Bastion Remnant181
  • Ruined Portal227

Nearby biomes: Snowy Taiga · Taiga · Deep Cold Ocean · Cold Ocean · Forest · Ocean

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Predicted biome map of Java 1.20 seed 614383500723573799 around estimated spawn Explore this seed
#22

614383500723573799

A bastion remnant is 185 nether blocks from the spawn portal anchor, at X 64, Z -176.

Estimated spawn
16, -16 (Plains)
Stronghold
2,608 blocks
  • Village161
  • Bastion Remnant185
  • Ruined Portal283
  • Ancient City400

Nearby biomes: Dripstone Caves · Plains · River · Sunflower Plains · Cherry Grove · Forest

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Predicted biome map of Java 1.20 seed 595688328511817286 around estimated spawn Explore this seed
#23

595688328511817286

A bastion remnant is 187 nether blocks from the spawn portal anchor, at X 96, Z 160.

Estimated spawn
0, 0 (Forest)
Stronghold
2,330 blocks
  • Bastion Remnant187
  • Ruined Portal316

Nearby biomes: Forest · Cold Ocean · Birch Forest · Ocean · Dripstone Caves · Dark Forest

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Predicted biome map of Java 1.20 seed 3729069046244781401 around estimated spawn Explore this seed
#24

3729069046244781401

A bastion remnant is 192 nether blocks from the spawn portal anchor, at X 16, Z -208.

Estimated spawn
112, -128 (Forest)
Stronghold
1,867 blocks
  • Ruined Portal144
  • Bastion Remnant192

Nearby biomes: Cold Ocean · Forest · Deep Cold Ocean · Beach · River · Taiga

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Predicted biome map of Java 1.20 seed 511109883231441881 around estimated spawn Explore this seed
#25

511109883231441881

A bastion remnant is 193 nether blocks from the spawn portal anchor, at X 176, Z -80.

Estimated spawn
0, 0 (Jungle)
Stronghold
2,320 blocks
  • Ruined Portal101
  • Bastion Remnant193
  • Village476

Nearby biomes: Forest · River · Jungle · Sparse Jungle · Birch Forest · Old Growth Birch Forest

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Predicted biome map of Java 1.20 seed 8595563169849320954 around estimated spawn Explore this seed
#26

8595563169849320954

A bastion remnant is 200 nether blocks from the spawn portal anchor, at X 48, Z -208.

Estimated spawn
64, -96 (Dripstone Caves)
Stronghold
1,626 blocks
  • Ruined Portal129
  • Bastion Remnant200
  • Village286

Nearby biomes: Dripstone Caves · Forest · River

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Predicted biome map of Java 1.20 seed -8902160456916199293 around estimated spawn Explore this seed
#27

-8902160456916199293

A bastion remnant is 200 nether blocks from the spawn portal anchor, at X -176, Z 96.

Estimated spawn
0, 0 (Forest)
Stronghold
1,634 blocks
  • Bastion Remnant200
  • Ancient City266
  • Ruined Portal422

Nearby biomes: Plains · Forest · Dark Forest · Lush Caves · River · Old Growth Birch Forest

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Predicted biome map of Java 1.20 seed 1089089405441215401 around estimated spawn Explore this seed
#28

1089089405441215401

A bastion remnant is 202 nether blocks from the spawn portal anchor, at X -128, Z -160.

Estimated spawn
0, -32 (Jungle)
Stronghold
2,529 blocks
  • Ancient City200
  • Bastion Remnant202
  • Ruined Portal315

Nearby biomes: Forest · Lush Caves · Dark Forest · Lukewarm Ocean · Plains · River

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Predicted biome map of Java 1.20 seed -5925642677360051572 around estimated spawn Explore this seed
#29

-5925642677360051572

A bastion remnant is 202 nether blocks from the spawn portal anchor, at X -224, Z 16.

Estimated spawn
-176, 192 (Plains)
Stronghold
2,431 blocks
  • Bastion Remnant202
  • Ruined Portal339
  • Ancient City409

Nearby biomes: Cold Ocean · Ocean · Grove · Taiga · Stony Shore · Forest

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Predicted biome map of Java 1.20 seed 2460338419626347413 around estimated spawn Explore this seed
#30

2460338419626347413

A bastion remnant is 204 nether blocks from the spawn portal anchor, at X -144, Z -144.

Estimated spawn
0, 0 (Lush Caves)
Stronghold
2,582 blocks
  • Bastion Remnant204
  • Ruined Portal238
  • Ancient City330
  • Village351

Nearby biomes: Taiga · Ocean · Grove · Cold Ocean · Stony Shore · Lush Caves

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Predicted biome map of Java 1.20 seed 7277679105461621035 around estimated spawn Explore this seed
#31

7277679105461621035

A bastion remnant is 204 nether blocks from the spawn portal anchor, at X 112, Z -80.

Estimated spawn
-352, 416 (Snowy Beach)
Stronghold
2,732 blocks
  • Ruined Portal72
  • Bastion Remnant204

Nearby biomes: Frozen Ocean · Deep Frozen Ocean · Snowy Taiga · Frozen River · Snowy Plains · Snowy Beach

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Predicted biome map of Java 1.20 seed -1091702424036127816 around estimated spawn Explore this seed
#32

-1091702424036127816

A bastion remnant is 205 nether blocks from the spawn portal anchor, at X 192, Z 80.

Estimated spawn
128, -208 (Forest)
Stronghold
2,227 blocks
  • Ruined Portal138
  • Bastion Remnant205

Nearby biomes: Ocean · Deep Ocean · Old Growth Birch Forest · Stony Shore · Forest · Bamboo Jungle

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Predicted biome map of Java 1.20 seed 3258256165406947857 around estimated spawn Explore this seed
#33

3258256165406947857

A bastion remnant is 208 nether blocks from the spawn portal anchor, at X 224, Z -80.

Estimated spawn
208, -128 (Birch Forest)
Stronghold
1,612 blocks
  • Bastion Remnant208
  • Ruined Portal440

Nearby biomes: Forest · Ocean · Sparse Jungle · Jungle · Deep Ocean · Birch Forest

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Predicted biome map of Java 1.20 seed 5047710526705583317 around estimated spawn Explore this seed
#34

5047710526705583317

A bastion remnant is 209 nether blocks from the spawn portal anchor, at X -160, Z -128.

Estimated spawn
0, 56 (Snowy Plains)
Stronghold
2,213 blocks
  • Bastion Remnant209
  • Ruined Portal337
  • Village372

Nearby biomes: Frozen Ocean · Forest · Snowy Plains · Taiga · Snowy Taiga · Snowy Beach

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Predicted biome map of Java 1.20 seed -3678886121721879591 around estimated spawn Explore this seed
#35

-3678886121721879591

A bastion remnant is 209 nether blocks from the spawn portal anchor, at X 128, Z -144.

Estimated spawn
-256, -80 (Beach)
Stronghold
2,465 blocks
  • Bastion Remnant209
  • Ruined Portal288

Nearby biomes: Deep Ocean · Forest · Taiga · Cold Ocean · Ocean · Old Growth Spruce Taiga

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Predicted biome map of Java 1.20 seed 3574183885580361420 around estimated spawn Explore this seed
#36

3574183885580361420

A bastion remnant is 211 nether blocks from the spawn portal anchor, at X 144, Z -160.

Estimated spawn
320, 192 (Windswept Savanna)
Stronghold
2,506 blocks
  • Bastion Remnant211
  • Ruined Portal231

Nearby biomes: Deep Cold Ocean · Forest · Cold Ocean · Old Growth Birch Forest · Plains · Ocean

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Predicted biome map of Java 1.20 seed 8695310864655145054 around estimated spawn Explore this seed
#37

8695310864655145054

A bastion remnant is 212 nether blocks from the spawn portal anchor, at X -80, Z -192.

Estimated spawn
0, 32 (Plains)
Stronghold
1,503 blocks
  • Bastion Remnant212
  • Village272
  • Ruined Portal304
  • Woodland Mansion838

Nearby biomes: Plains · Forest · Savanna · Birch Forest · River · Cherry Grove

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Predicted biome map of Java 1.20 seed -4383527914450655377 around estimated spawn Explore this seed
#38

-4383527914450655377

A bastion remnant is 218 nether blocks from the spawn portal anchor, at X 160, Z 144.

Estimated spawn
0, -32 (Desert)
Stronghold
1,999 blocks
  • Village32
  • Bastion Remnant218
  • Desert Temple336
  • Ruined Portal443

Nearby biomes: Desert · Warm Ocean · Savanna · Badlands · Plains · Forest

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Predicted biome map of Java 1.20 seed -768213291102809479 around estimated spawn Explore this seed
#39

-768213291102809479

A bastion remnant is 218 nether blocks from the spawn portal anchor, at X -96, Z 192.

Estimated spawn
-112, -80 (Plains)
Stronghold
2,601 blocks
  • Bastion Remnant218
  • Village250
  • Ruined Portal422
  • Ocean Monument475

Nearby biomes: Forest · Plains · Cold Ocean · Deep Cold Ocean · River · Taiga

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Predicted biome map of Java 1.20 seed -1744172012221051132 around estimated spawn Explore this seed
#40

-1744172012221051132

A bastion remnant is 218 nether blocks from the spawn portal anchor, at X 64, Z 208.

Estimated spawn
0, 0 (Plains)
Stronghold
1,615 blocks
  • Ruined Portal51
  • Bastion Remnant218
  • Village334

Nearby biomes: Forest · Savanna · Plains · Birch Forest · Lukewarm Ocean · River

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Predicted biome map of Java 1.20 seed -8701370969193471900 around estimated spawn Explore this seed
#41

-8701370969193471900

A bastion remnant is 221 nether blocks from the spawn portal anchor, at X -192, Z 144.

Estimated spawn
-272, -80 (Forest)
Stronghold
1,895 blocks
  • Bastion Remnant221
  • Ruined Portal465

Nearby biomes: Cold Ocean · Deep Cold Ocean · Taiga · Forest · Stony Shore

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Predicted biome map of Java 1.20 seed -5120143616088595479 around estimated spawn Explore this seed
#42

-5120143616088595479

A bastion remnant is 224 nether blocks from the spawn portal anchor, at X 0, Z -224.

Estimated spawn
0, 0 (Old Growth Birch Forest)
Stronghold
2,538 blocks
  • Ruined Portal138
  • Bastion Remnant224

Nearby biomes: Forest · Dark Forest · River · Plains · Old Growth Birch Forest · Sparse Jungle

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Predicted biome map of Java 1.20 seed 8416875684440423827 around estimated spawn Explore this seed
#43

8416875684440423827

A bastion remnant is 225 nether blocks from the spawn portal anchor, at X 208, Z -144.

Estimated spawn
48, -352 (Plains)
Stronghold
2,456 blocks
  • Ruined Portal187
  • Bastion Remnant225
  • Village361
  • Ocean Monument451

Nearby biomes: Ocean · Deep Ocean · Plains · Sunflower Plains · River

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Predicted biome map of Java 1.20 seed 6695940581527372002 around estimated spawn Explore this seed
#44

6695940581527372002

A bastion remnant is 225 nether blocks from the spawn portal anchor, at X -128, Z -192.

Estimated spawn
-16, -48 (Plains)
Stronghold
1,629 blocks
  • Bastion Remnant225
  • Ruined Portal342

Nearby biomes: Plains · Ocean · Forest · Sunflower Plains · Windswept Hills · Flower Forest

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Predicted biome map of Java 1.20 seed -2586123000488339978 around estimated spawn Explore this seed
#45

-2586123000488339978

A bastion remnant is 226 nether blocks from the spawn portal anchor, at X -160, Z -160.

Estimated spawn
0, 0 (Taiga)
Stronghold
2,676 blocks
  • Bastion Remnant226
  • Ruined Portal400

Nearby biomes: Snowy Taiga · Snowy Plains · Taiga · Old Growth Pine Taiga · Old Growth Spruce Taiga

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Predicted biome map of Java 1.20 seed 3276066940797770379 around estimated spawn Explore this seed
#46

3276066940797770379

A bastion remnant is 229 nether blocks from the spawn portal anchor, at X 208, Z -96.

Estimated spawn
0, 0 (Plains)
Stronghold
2,274 blocks
  • Bastion Remnant229
  • Village311
  • Pillager Outpost344
  • Ruined Portal369

Nearby biomes: Plains · Forest · River

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Predicted biome map of Java 1.20 seed 610774711787347494 around estimated spawn Explore this seed
#47

610774711787347494

A bastion remnant is 239 nether blocks from the spawn portal anchor, at X -224, Z -80.

Estimated spawn
-16, 64 (Plains)
Stronghold
1,490 blocks
  • Bastion Remnant239
  • Ruined Portal396
  • Ancient City425
  • Pillager Outpost448

Nearby biomes: Plains · Dripstone Caves · Forest · River · Cherry Grove · Birch Forest

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Predicted biome map of Java 1.20 seed 6625129691026508088 around estimated spawn Explore this seed
#48

6625129691026508088

A bastion remnant is 244 nether blocks from the spawn portal anchor, at X 128, Z -208.

Estimated spawn
0, 0 (Plains)
Stronghold
2,193 blocks
  • Village160
  • Bastion Remnant244
  • Ruined Portal258

Nearby biomes: Plains · Cold Ocean · Forest · River · Ocean

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Predicted biome map of Java 1.20 seed 6732999924856858947 around estimated spawn Explore this seed
#49

6732999924856858947

A bastion remnant is 244 nether blocks from the spawn portal anchor, at X 128, Z -208.

Estimated spawn
0, 0 (Forest)
Stronghold
2,198 blocks
  • Village240
  • Bastion Remnant244
  • Ruined Portal480

Nearby biomes: Forest · Plains · River · Beach · Dripstone Caves · Ocean

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Predicted biome map of Java 1.20 seed -1049599467028007796 around estimated spawn Explore this seed
#50

-1049599467028007796

A bastion remnant is 253 nether blocks from the spawn portal anchor, at X 240, Z -80.

Estimated spawn
0, 0 (Jungle)
Stronghold
2,353 blocks
  • Ruined Portal223
  • Bastion Remnant253
  • Jungle Temple385

Nearby biomes: Jungle · Forest · River · Bamboo Jungle · Sparse Jungle · Plains

Open in Seed Map →

About these 1.20 seeds

A predicted bastion within 400 nether blocks of the spawn portal anchor is required for every seed in this category. Lists are computed separately for the version printed on each card.

1.20 (Trails & Tales) added cherry groves and buried trail ruins to world generation, and 1.20.1 is one of the most-pinned modpack versions — plenty of worlds are still being started on it. Every seed below was verified on 1.20's own generation, not back-ported from a newer list: 1.21 changed worldgen (trial chambers, then the pale garden), so a list verified there can't honestly claim these coordinates.

Verified for Java Edition 1.20 (Trails & Tales). Biomes, terrain and structures are identical across 1.20 – 1.20.6, so any 1.20.x world matches these maps — the only generation change in the patches (1.20.2 made diamond ore more common in the deepslate layers) doesn't affect anything these cards measure.

For the current Java 26.3 release, see the main bastion seeds — or the same list for 26.3 · 1.21.4 · 1.19 · 1.18 · 1.16. All 1.20 lists live under best 1.20 seeds.

Frequently asked questions

How is this different from the main bastion seeds page?
These seeds are computed for Java 1.20. The main bastion seeds list targets Java 26.3. Match the version on the card; older versions can generate different biomes and structure positions.
Which releases do these seeds work on?
The whole 1.20 line — 1.20 through 1.20.6, including 1.20.1 modpacks: biomes, terrain and structure positions are identical across the patches. (The one generation change, 1.20.2 making diamond ore more common in the deepslate layers, doesn't move anything on these cards.) On 1.21+ the same seed generates almost the same world, but trial chambers (1.21) and pale gardens (1.21.4) appear and a few placements shift, so use our main lists for current versions.
Do these seeds work on Bedrock Edition?
No — Java and Bedrock generate different worlds from the same seed. These lists are Java Edition only.