Best 1.20 Mountain Seeds

Start near peaks or classic mountain terrain. 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 2466313464906559131 around estimated spawn Explore this seed
#1

2466313464906559131

Frozen Peaks is 17 blocks from estimated spawn.

Estimated spawn
0, 0 (Frozen Peaks)
Stronghold
2,082 blocks
  • Frozen Peaks17
  • Ruined Portal102
  • Ancient City328
  • Village377

Nearby biomes: Dripstone Caves · Grove · Frozen Peaks · Forest · Plains · Ocean

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Predicted biome map of Java 1.20 seed 4157500402811357114 around estimated spawn Explore this seed
#2

4157500402811357114

Frozen Peaks is 17 blocks from estimated spawn.

Estimated spawn
0, 0 (Grove)
Stronghold
1,531 blocks
  • Frozen Peaks17
  • Ruined Portal161
  • Ancient City161

Nearby biomes: Grove · Lush Caves · Snowy Taiga · Snowy Plains · Taiga · Frozen Peaks

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Predicted biome map of Java 1.20 seed 4543830668948829073 around estimated spawn Explore this seed
#3

4543830668948829073

Jagged Peaks is 46 blocks from estimated spawn.

Estimated spawn
0, 0 (Taiga)
Stronghold
1,679 blocks
  • Jagged Peaks46
  • Ancient City225
  • Ruined Portal328
  • Village330

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

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Predicted biome map of Java 1.20 seed 8582066070830351857 around estimated spawn Explore this seed
#4

8582066070830351857

Frozen Peaks is 46 blocks from estimated spawn.

Estimated spawn
0, 0 (Grove)
Stronghold
2,509 blocks
  • Frozen Peaks46
  • Ancient City161
  • Pillager Outpost182
  • Ruined Portal301

Nearby biomes: Forest · Old Growth Birch Forest · Dark Forest · Dripstone Caves · Frozen Peaks · Grove

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Predicted biome map of Java 1.20 seed -8248531362465314533 around estimated spawn Explore this seed
#5

-8248531362465314533

Jagged Peaks is 48 blocks from estimated spawn.

Estimated spawn
0, 0 (Lush Caves)
Stronghold
2,462 blocks
  • Jagged Peaks48
  • Ruined Portal238
  • Ancient City339

Nearby biomes: Dripstone Caves · Lush Caves · Dark Forest · Old Growth Birch Forest · Jagged Peaks

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Predicted biome map of Java 1.20 seed -1699026149368283407 around estimated spawn Explore this seed
#6

-1699026149368283407

Jagged Peaks is 53 blocks from estimated spawn.

Estimated spawn
0, 0 (Grove)
Stronghold
1,618 blocks
  • Jagged Peaks53
  • Ancient City242
  • Pillager Outpost272
  • Ruined Portal299

Nearby biomes: Dripstone Caves · Snowy Slopes · Grove · Snowy Plains · Frozen Peaks

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Predicted biome map of Java 1.20 seed 81103441862323866 around estimated spawn Explore this seed
#7

81103441862323866

Jagged Peaks is 56 blocks from estimated spawn.

Estimated spawn
-192, -80 (Plains)
Stronghold
1,485 blocks
  • Jagged Peaks56
  • Village218
  • Ruined Portal420

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

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Predicted biome map of Java 1.20 seed -3387029440190182958 around estimated spawn Explore this seed
#8

-3387029440190182958

Jagged Peaks is 56 blocks from estimated spawn.

Estimated spawn
0, 0 (Grove)
Stronghold
2,138 blocks
  • Jagged Peaks56
  • Ruined Portal352

Nearby biomes: Snowy Taiga · Frozen Ocean · Snowy Plains · Frozen River · Grove · Stony Shore

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Predicted biome map of Java 1.20 seed 3889428484448295699 around estimated spawn Explore this seed
#9

3889428484448295699

Jagged Peaks is 62 blocks from estimated spawn.

Estimated spawn
32, 0 (Forest)
Stronghold
2,346 blocks
  • Jagged Peaks62
  • Ruined Portal229
  • Village422

Nearby biomes: Cold Ocean · Forest · Taiga · Plains · Deep Ocean · Old Growth Pine Taiga

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Predicted biome map of Java 1.20 seed -4022923314811138549 around estimated spawn Explore this seed
#10

-4022923314811138549

Frozen Peaks is 68 blocks from estimated spawn.

Estimated spawn
0, 0 (Dripstone Caves)
Stronghold
1,463 blocks
  • Frozen Peaks68
  • Ruined Portal160
  • Village182
  • Ancient City479
  • Woodland Mansion885

Nearby biomes: Plains · Forest · Dripstone Caves · Taiga · River · Meadow

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Predicted biome map of Java 1.20 seed 6915545492528843080 around estimated spawn Explore this seed
#11

6915545492528843080

Frozen Peaks is 68 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
1,870 blocks
  • Frozen Peaks68
  • Ancient City284
  • Ruined Portal330

Nearby biomes: Forest · Dripstone Caves · Plains · Grove · Snowy Slopes · Frozen Peaks

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Predicted biome map of Java 1.20 seed -6778747759101252436 around estimated spawn Explore this seed
#12

-6778747759101252436

Jagged Peaks is 74 blocks from estimated spawn.

Estimated spawn
-80, -16 (Birch Forest)
Stronghold
1,431 blocks
  • Jagged Peaks74
  • Ruined Portal138
  • Ocean Monument358

Nearby biomes: Deep Ocean · Lush Caves · Ocean · River · Sparse Jungle · Birch Forest

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Predicted biome map of Java 1.20 seed 7134354423186111560 around estimated spawn Explore this seed
#13

7134354423186111560

Stony Peaks is 77 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
1,778 blocks
  • Stony Peaks77
  • Ruined Portal308

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

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Predicted biome map of Java 1.20 seed 896993029689959256 around estimated spawn Explore this seed
#14

896993029689959256

Frozen Peaks is 79 blocks from estimated spawn.

Estimated spawn
0, 0 (Dripstone Caves)
Stronghold
2,058 blocks
  • Frozen Peaks79
  • Ancient City204
  • Village266
  • Ruined Portal453

Nearby biomes: Dripstone Caves · Plains · Frozen Ocean · Meadow · Snowy Plains

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Predicted biome map of Java 1.20 seed -1625263230253016819 around estimated spawn Explore this seed
#15

-1625263230253016819

Frozen Peaks is 79 blocks from estimated spawn.

Estimated spawn
224, 16 (Stony Shore)
Stronghold
1,704 blocks
  • Frozen Peaks79
  • Ruined Portal102
  • Ocean Monument231
  • Ancient City384

Nearby biomes: Frozen Ocean · Deep Frozen Ocean · Snowy Slopes · Forest · Grove · Snowy Plains

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Predicted biome map of Java 1.20 seed -2609634377295164881 around estimated spawn Explore this seed
#16

-2609634377295164881

Frozen Peaks is 85 blocks from estimated spawn.

Estimated spawn
0, 0 (Plains)
Stronghold
2,589 blocks
  • Frozen Peaks85
  • Village137
  • Ruined Portal358

Nearby biomes: Plains · Savanna · Forest · River · Snowy Slopes · Birch Forest

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Predicted biome map of Java 1.20 seed -4345708550978562682 around estimated spawn Explore this seed
#17

-4345708550978562682

Frozen Peaks is 92 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
2,164 blocks
  • Frozen Peaks92
  • Ancient City112
  • Ruined Portal316
  • Pillager Outpost401

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

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Predicted biome map of Java 1.20 seed 1856408608670404923 around estimated spawn Explore this seed
#18

1856408608670404923

Jagged Peaks is 92 blocks from estimated spawn.

Estimated spawn
32, -32 (Savanna)
Stronghold
2,428 blocks
  • Jagged Peaks92
  • Ancient City272
  • Ruined Portal279
  • Village319

Nearby biomes: Savanna · Dripstone Caves · Ocean · Savanna Plateau · Sunflower Plains · Plains

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Predicted biome map of Java 1.20 seed 3816826144819206374 around estimated spawn Explore this seed
#19

3816826144819206374

Jagged Peaks is 95 blocks from estimated spawn.

Estimated spawn
-64, 16 (Taiga)
Stronghold
1,584 blocks
  • Jagged Peaks95
  • Ancient City193
  • Ruined Portal200
  • Pillager Outpost272
  • Ocean Monument443

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

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Predicted biome map of Java 1.20 seed 5202024619158628405 around estimated spawn Explore this seed
#20

5202024619158628405

Jagged Peaks is 95 blocks from estimated spawn.

Estimated spawn
0, 0 (Grove)
Stronghold
1,706 blocks
  • Jagged Peaks95
  • Village250
  • Ruined Portal272
  • Ancient City338

Nearby biomes: Forest · Dripstone Caves · Snowy Plains · Plains · Frozen River · Grove

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Predicted biome map of Java 1.20 seed 5801478284673395042 around estimated spawn Explore this seed
#21

5801478284673395042

Jagged Peaks is 109 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
2,492 blocks
  • Jagged Peaks109
  • Ruined Portal354
  • Village410

Nearby biomes: Forest · Plains · Taiga · Lush Caves · Dripstone Caves · River

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Predicted biome map of Java 1.20 seed 7302701521544259521 around estimated spawn Explore this seed
#22

7302701521544259521

Frozen Peaks is 109 blocks from estimated spawn.

Estimated spawn
400, -208 (Old Growth Birch Forest)
Stronghold
2,270 blocks
  • Frozen Peaks109
  • Ocean Monument258
  • Ruined Portal308

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

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Predicted biome map of Java 1.20 seed -6981370656900164846 around estimated spawn Explore this seed
#23

-6981370656900164846

Frozen Peaks is 110 blocks from estimated spawn.

Estimated spawn
0, 0 (Snowy Plains)
Stronghold
2,351 blocks
  • Frozen Peaks110
  • Village179
  • Ruined Portal179
  • Pillager Outpost338
  • Ocean Monument465

Nearby biomes: Snowy Plains · Snowy Slopes · Ice Spikes · Frozen Ocean · Frozen River · Deep Frozen Ocean

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Predicted biome map of Java 1.20 seed -7234031216845745173 around estimated spawn Explore this seed
#24

-7234031216845745173

Stony Peaks is 110 blocks from estimated spawn.

Estimated spawn
0, 0 (Savanna)
Stronghold
1,901 blocks
  • Stony Peaks110
  • Ruined Portal226
  • Ancient City258
  • Village395

Nearby biomes: Savanna · Sunflower Plains · River · Plains · Flower Forest · Savanna Plateau

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Predicted biome map of Java 1.20 seed -7461304942159507927 around estimated spawn Explore this seed
#25

-7461304942159507927

Frozen Peaks is 118 blocks from estimated spawn.

Estimated spawn
0, 0 (Taiga)
Stronghold
1,938 blocks
  • Frozen Peaks118
  • Ocean Monument258
  • Village311
  • Ruined Portal352
  • Ancient City448

Nearby biomes: Taiga · Forest · Deep Frozen Ocean · Frozen Ocean · Cold Ocean · Grove

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Predicted biome map of Java 1.20 seed 5703935246109167721 around estimated spawn Explore this seed
#26

5703935246109167721

Stony Peaks is 127 blocks from estimated spawn.

Estimated spawn
0, 0 (Dripstone Caves)
Stronghold
1,748 blocks
  • Stony Peaks127
  • Ruined Portal241
  • Ancient City288

Nearby biomes: Dripstone Caves · Forest · Savanna · Plains · Stony Peaks · Deep Dark

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Predicted biome map of Java 1.20 seed 6394444910625577430 around estimated spawn Explore this seed
#27

6394444910625577430

Frozen Peaks is 132 blocks from estimated spawn.

Estimated spawn
16, -16 (Dripstone Caves)
Stronghold
1,843 blocks
  • Frozen Peaks132
  • Village145
  • Ancient City244
  • Ruined Portal420

Nearby biomes: Dripstone Caves · Grove · Snowy Slopes · Snowy Taiga · Snowy Plains · Frozen River

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Predicted biome map of Java 1.20 seed -7856064703245499668 around estimated spawn Explore this seed
#28

-7856064703245499668

Jagged Peaks is 137 blocks from estimated spawn.

Estimated spawn
16, 0 (Grove)
Stronghold
2,502 blocks
  • Jagged Peaks137
  • Ancient City224
  • Ruined Portal330

Nearby biomes: Grove · Snowy Taiga · Jagged Peaks · Snowy Plains · Stony Shore · Frozen Ocean

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Predicted biome map of Java 1.20 seed -4933763123787324515 around estimated spawn Explore this seed
#29

-4933763123787324515

Stony Peaks is 139 blocks from estimated spawn.

Estimated spawn
32, -64 (Bamboo Jungle)
Stronghold
2,342 blocks
  • Stony Peaks139
  • Ruined Portal226
  • Jungle Temple391

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

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Predicted biome map of Java 1.20 seed 7521770052185175991 around estimated spawn Explore this seed
#30

7521770052185175991

Stony Peaks is 141 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
1,731 blocks
  • Stony Peaks141
  • Ruined Portal182
  • Village465
  • Ocean Monument487

Nearby biomes: Savanna · Deep Lukewarm Ocean · Forest · Old Growth Birch Forest · River · Savanna Plateau

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Predicted biome map of Java 1.20 seed -488508384350824522 around estimated spawn Explore this seed
#31

-488508384350824522

Frozen Peaks is 143 blocks from estimated spawn.

Estimated spawn
0, 0 (Birch Forest)
Stronghold
2,400 blocks
  • Frozen Peaks143
  • Ancient City250
  • Ruined Portal295
  • Village471
  • Woodland Mansion506

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

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Predicted biome map of Java 1.20 seed -3025449491875894341 around estimated spawn Explore this seed
#32

-3025449491875894341

Frozen Peaks is 149 blocks from estimated spawn.

Estimated spawn
-96, 48 (Dripstone Caves)
Stronghold
1,877 blocks
  • Frozen Peaks149
  • Ancient City152
  • Village192
  • Ruined Portal385

Nearby biomes: Plains · Snowy Plains · Forest · Cold Ocean · River · Ice Spikes

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Predicted biome map of Java 1.20 seed -2718215711296294468 around estimated spawn Explore this seed
#33

-2718215711296294468

Stony Peaks is 149 blocks from estimated spawn.

Estimated spawn
-64, -288 (Plains)
Stronghold
2,584 blocks
  • Village112
  • Stony Peaks149
  • Ruined Portal430

Nearby biomes: Lukewarm Ocean · Plains · Deep Lukewarm Ocean · Sparse Jungle · Forest · River

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Predicted biome map of Java 1.20 seed 7071167829508972346 around estimated spawn Explore this seed
#34

7071167829508972346

Jagged Peaks is 149 blocks from estimated spawn.

Estimated spawn
-64, 52 (Forest)
Stronghold
1,672 blocks
  • Jagged Peaks149
  • Ancient City160
  • Ruined Portal394

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

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Predicted biome map of Java 1.20 seed 5261837112217869904 around estimated spawn Explore this seed
#35

5261837112217869904

Jagged Peaks is 157 blocks from estimated spawn.

Estimated spawn
0, 0 (Forest)
Stronghold
2,601 blocks
  • Jagged Peaks157
  • Ruined Portal384

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

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Predicted biome map of Java 1.20 seed -6886716780277895379 around estimated spawn Explore this seed
#36

-6886716780277895379

Stony Peaks is 158 blocks from estimated spawn.

Estimated spawn
0, 0 (Savanna)
Stronghold
2,156 blocks
  • Stony Peaks158
  • Village205
  • Ruined Portal342
  • Ancient City455

Nearby biomes: Savanna · Lukewarm Ocean · Stony Shore · Forest · River

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Predicted biome map of Java 1.20 seed 8402333049375353097 around estimated spawn Explore this seed
#37

8402333049375353097

Frozen Peaks is 166 blocks from estimated spawn.

Estimated spawn
48, 0 (Forest)
Stronghold
1,713 blocks
  • Frozen Peaks166
  • Ruined Portal288
  • Ancient City385

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

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Predicted biome map of Java 1.20 seed 4148679621448762398 around estimated spawn Explore this seed
#38

4148679621448762398

Frozen Peaks is 178 blocks from estimated spawn.

Estimated spawn
-64, 16 (Birch Forest)
Stronghold
1,870 blocks
  • Village113
  • Frozen Peaks178
  • Ancient City240
  • Ruined Portal320

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

Open in Seed Map →
Predicted biome map of Java 1.20 seed 7883855552541171295 around estimated spawn Explore this seed
#39

7883855552541171295

Jagged Peaks is 182 blocks from estimated spawn.

Estimated spawn
144, 192 (Plains)
Stronghold
2,518 blocks
  • Ruined Portal158
  • Jagged Peaks182
  • Village369
  • Ancient City466

Nearby biomes: Plains · Ocean · Dripstone Caves · River · Snowy Slopes · Forest

Open in Seed Map →
Predicted biome map of Java 1.20 seed -5070307967733096088 around estimated spawn Explore this seed
#40

-5070307967733096088

Stony Peaks is 203 blocks from estimated spawn.

Estimated spawn
0, 0 (Savanna)
Stronghold
2,501 blocks
  • Pillager Outpost160
  • Stony Peaks203
  • Ruined Portal317
  • Village339

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

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Predicted biome map of Java 1.20 seed -6100863714631223501 around estimated spawn Explore this seed
#41

-6100863714631223501

Frozen Peaks is 203 blocks from estimated spawn.

Estimated spawn
192, -192 (Dripstone Caves)
Stronghold
1,885 blocks
  • Frozen Peaks203
  • Ancient City268
  • Ruined Portal311

Nearby biomes: Dripstone Caves · Taiga · Snowy Taiga

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Predicted biome map of Java 1.20 seed -7091986451882152608 around estimated spawn Explore this seed
#42

-7091986451882152608

Stony Peaks is 204 blocks from estimated spawn.

Estimated spawn
16, 160 (Forest)
Stronghold
1,856 blocks
  • Village163
  • Stony Peaks204
  • Ruined Portal322

Nearby biomes: Lukewarm Ocean · Savanna · Warm Ocean · Forest · Plains · Dripstone Caves

Open in Seed Map →
Predicted biome map of Java 1.20 seed 6413325430620778710 around estimated spawn Explore this seed
#43

6413325430620778710

Frozen Peaks is 204 blocks from estimated spawn.

Estimated spawn
-80, -16 (Flower Forest)
Stronghold
2,133 blocks
  • Frozen Peaks204
  • Ruined Portal352

Nearby biomes: Plains · Dripstone Caves · River · Sunflower Plains · Flower Forest · Forest

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Predicted biome map of Java 1.20 seed 5116305324577920727 around estimated spawn Explore this seed
#44

5116305324577920727

Frozen Peaks is 213 blocks from estimated spawn.

Estimated spawn
0, 0 (Cherry Grove)
Stronghold
1,615 blocks
  • Pillager Outpost58
  • Ruined Portal138
  • Frozen Peaks213
  • Village223

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

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Predicted biome map of Java 1.20 seed -5175254553838583598 around estimated spawn Explore this seed
#45

-5175254553838583598

Frozen Peaks is 227 blocks from estimated spawn.

Estimated spawn
0, 0 (Birch Forest)
Stronghold
1,525 blocks
  • Ruined Portal97
  • Frozen Peaks227

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

Open in Seed Map →
Predicted biome map of Java 1.20 seed -8618357942033843972 around estimated spawn Explore this seed
#46

-8618357942033843972

Jagged Peaks is 236 blocks from estimated spawn.

Estimated spawn
-96, 32 (Snowy Taiga)
Stronghold
1,237 blocks
  • Jagged Peaks236
  • Ruined Portal288
  • Pillager Outpost420

Nearby biomes: Grove · Snowy Plains · Snowy Taiga · Frozen River

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Predicted biome map of Java 1.20 seed 2775313110889037776 around estimated spawn Explore this seed
#47

2775313110889037776

Frozen Peaks is 242 blocks from estimated spawn.

Estimated spawn
16, 144 (Stony Shore)
Stronghold
2,318 blocks
  • Ruined Portal209
  • Frozen Peaks242
  • Ancient City324
  • Village410

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

Open in Seed Map →
Predicted biome map of Java 1.20 seed -1131880025940102106 around estimated spawn Explore this seed
#48

-1131880025940102106

Jagged Peaks is 245 blocks from estimated spawn.

Estimated spawn
96, 0 (Taiga)
Stronghold
2,792 blocks
  • Ruined Portal143
  • Ancient City198
  • Village205
  • Jagged Peaks245

Nearby biomes: Ocean · Forest · Taiga · River · Grove · Jagged Peaks

Open in Seed Map →
Predicted biome map of Java 1.20 seed 8164271284770370973 around estimated spawn Explore this seed
#49

8164271284770370973

Stony Peaks is 248 blocks from estimated spawn.

Estimated spawn
-48, -32 (Plains)
Stronghold
2,287 blocks
  • Stony Peaks248
  • Ruined Portal322
  • Ancient City336
  • Village371
  • Jungle Temple487

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

Open in Seed Map →
Predicted biome map of Java 1.20 seed -4315212448482163021 around estimated spawn Explore this seed
#50

-4315212448482163021

Jagged Peaks is 256 blocks from estimated spawn.

Estimated spawn
64, -48 (Dripstone Caves)
Stronghold
2,177 blocks
  • Ancient City210
  • Ruined Portal245
  • Jagged Peaks256
  • Village344

Nearby biomes: Forest · Dripstone Caves · Plains · Meadow · River · Taiga

Open in Seed Map →

About these 1.20 seeds

A jagged peak, frozen peak, stony peak, or classic mountain biome within 500 blocks of estimated spawn 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 mountain 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 mountain seeds page?
These seeds are computed for Java 1.20. The main mountain 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.