Gold

Silver

NATIONAL POKÉDEX #095 · Rock Snake Pokemon

Onix

Rock Ground Both

Onix is a Rock/Ground-type Rock Snake Pokemon in Pokemon Gold and Silver. Gold: Wild + special; locations include Silver Cave, Union Cave, Rock Tunnel. Silver: Wild + special; locations include Silver Cave, Union Cave,…

Back to Pokédex list Stats by level Gold / Silver locations Moves

GENERATION II

Base stats

385

HP35

Attack45

Defense160

Sp. Atk30

Sp. Def45

Speed70

PROFILE

Pokédex data

Height: 28'10" (8.8 m)
Weight: 463.0 lbs (210.0 kg)
Catch rate: 45
Base EXP: 108
Growth: Medium Fast
BST: 385

GENERATION II FORMULA

Stats by level

Lv. 50

Pokémon level

Training profile

All DVs 15 · zero Stat Experience

Advanced DV & Stat Exp

Determinant values (0–15) Attack Defense Speed Special

Derived HP DV: 15

Stat Experience (0–65,535) HP Attack Defense Speed Special

StatCalculatedLegal range

HPBase 35

— —

AttackBase 45

— —

DefenseBase 160

— —

Sp. AtkBase 30

— —

Sp. DefBase 45

— —

SpeedBase 70

— —

Generation II uses four DVs: Attack, Defense, Speed, and Special. HP DV is derived from their low bits; Sp. Atk and Sp. Def share the Special DV and Special Stat Experience. Badge boosts and in-battle stat stages are not included.

ORIGINAL GAME TEXT

Gold and Silver Pokédex entries

Pokémon Gold
It twists and squirms through the ground. The thunderous roar of its tunneling echoes a long way.

Pokémon Silver
It rapidly bores through the ground at 50 mph by squirming and twisting its massive, rugged body.

FAMILY

Evolution chain

#095

Onix #208

Steelix

Onix→Trade holding Metal Coat→Steelix

ACQUISITION

Gold / Silver locations, times, and methods

Gold

Wild + special

Areas: 4
Tables: 7
Special: 1

Wild encounters 7

Location	Method	Time	Level	Chance
Silver CaveSilver Cave Room 1	Grass	Any time	Lv. 42	30% slot
Silver CaveSilver Cave Room 3	Grass	Any time	Lv. 48	30% slot
Union CaveUnion Cave 1F	Grass	Any time	Lv. 6	5% slot
Union CaveUnion Cave B1 F	Grass	Any time	Lv. 8	10% slot
Union CaveUnion Cave B2 F	Grass	Any time	Lv. 23	5% slot
Rock TunnelRock Tunnel B1 F	Grass	Any time	Lv. 16	20% slot
Victory Road	Grass	Any time	Lv. 34–36	15% slot

Special acquisition 1

NPC trade Violet City · Violet Kyles House Trade · Any time — Trade away Bellsprout to receive this Pokemon.

Silver

Wild + special

Areas: 4
Tables: 7
Special: 1

Wild encounters 7

Location	Method	Time	Level	Chance
Silver CaveSilver Cave Room 1	Grass	Any time	Lv. 42	30% slot
Silver CaveSilver Cave Room 3	Grass	Any time	Lv. 48	30% slot
Union CaveUnion Cave 1F	Grass	Any time	Lv. 6	5% slot
Union CaveUnion Cave B1 F	Grass	Any time	Lv. 8	10% slot
Union CaveUnion Cave B2 F	Grass	Any time	Lv. 23	5% slot
Rock TunnelRock Tunnel B1 F	Grass	Any time	Lv. 16	20% slot
Victory Road	Grass	Any time	Lv. 34–36	15% slot