Onix Pokémon Yellow: Moves, Sprites & Locations

Everything you need to know about Onix in Pokémon Yellow. On this page you'll find its Pokédex entry straight from the game, all sprite variants including shiny forms, the complete moveset of 25 moves grouped by learning method (level-up, TM/HM, egg, tutor), and every wild encounter location with levels, conditions, and catch rates.

Pokémon Yellow

Kanto

Onix Pokemon Yellow Pokedex Entry

This chain of immense stones resembles a giant serpent. Tremors shake the earth above as it burrows deep beneath the ground, feeding on boulders as it goes.

Pokemon Yellow Onix Sprites

Onix front-facing sprite from Pokémon Yellow

Primary

Onix back-facing sprite from Pokémon Yellow

Reverse

Pokémon Yellow Onix Moveset

Complete registry of moves learned by Onix via various methods in Pokémon Yellow.

Move	Type	Requirement
Tackle	normal	Lv. 1
Screech	normal	Lv. 1
Bind	normal	Lv. 15
Rock Throw	rock	Lv. 19
Rage	normal	Lv. 25
Slam	normal	Lv. 33
Harden	normal	Lv. 43

End of Move Database

Pokémon Yellow Onix Locations

Onix can be caught in 4 locations across Pokémon Yellow, including Kanto Victory Road 2 3f, Rock Tunnel B2f, and Kanto Victory Road 2 1f. The most reliable spawn is at Kanto Victory Road 2 3f, where you'll find it at Lv. 49 by walking through tall grass with a 10% encounter rate.

Rock Tunnel B2f

3 encounters

walk
Lv. 14
5%Rare
walk
Lv. 18
4%Very Rare
walk
Lv. 22
1%Very Rare

Kanto Victory Road 2 1f

2 encounters

walk
Lv. 43
5%Rare
walk
Lv. 45
5%Rare

Kanto Victory Road 2 2f

2 encounters

walk
Lv. 45
5%Rare
walk
Lv. 47
5%Rare

Kanto Victory Road 2 3f

1 encounter

walk
Lv. 49
10%Uncommon