You can 1.Breed an Hippowdon for an egg
or 2. Catch the 26 unowns and go in the cave on route 214 and you should be able to find an hippopotas.
you can find hippopotas at route 214 between veilstone city and valor lakefront
I got one by collecting unown's then headed to ruin maniac's cave and a hipopotas appeared
In the Safari Zone.
you have to see all the Pokemon in sinnoh
battles,water with old rod
you have to be playing with a friend to see him or her down there
Evolve Feebas
you can get him in ruin maniac cave.you can also go to Pokemon marriland pokedex or platinum pokedex.
Its a battlegirl in Iron island cave.
Hippopotas is in Ruin Maniac's Cave.
the ruin mainiac cave withe the digging guy cave
yes.but i dont remember where because i have seen in national dex...
You can't stupid stupidhead pighead
it evolves at level 34
on platinum, you see Manaphy in Mr.backlots Pokemon mansion
hippopatas of the opposite gender hippowdon of the opposite gender or ditto note- ditto can breed with almost every Pokemon except legendarys and heatran cresselia rotom and no heatran cresselia and rotom are not legendarys rrod54 the true Pokemon master
You can't see him in platinum. You have to transfer it from Pokemon Ranger
Hippopatas will evolve at lv 34
Nope, you can't see Ash in Pokémon Platinum.