They can be found in the pokeathlon prize exchange booth, which is north of goldenrod city, in the Johto region.
Hope I helped!
get an eevee and evolve it into a thunderstone
Win the pokeathlon afew time then use the points to buy a thunderstone from the prize corner
You can get it at the pokeathlon wither points :)
At the PokeDome on Saturdays, there should be a thunderstone in the prize center
Johto : National Park,route 38 kanto : Route 25
first of all there is no route 25 in the johto reigon second you can get a thunderstone at a certain day at the pokealathon dome with athle points it may cost..... 2,500 athele points.
- Johto- national park (come in first in bug catching contest) - route 38 -kanto: route 25 (show bill's grand father a pichu) jhoto-pokeathon dome ways to get a thunderstone
Fire Stone Water Stone Thunderstone Leaf Stone Dusk Stone Sun Stone Moon Stone Dawn Stone
where do you find a thunderstone in pokemonpearl
Pikachu+Thunderstone=Raichu Eevee+Thunderstone=Jolteon These are the only 2 pokemon that evolve with the thunderstone in pokemon emerald
You can use a thunderstone on pikachu
Espeon: Evolve at day Joteon: Thunderstone Vaporeon: Waterstone Flareon: Firestone Leafeon: Leafstone Umbreon: Evovle at night Glaceon: Evovle at ice cave (i think)