Where to find Happiny in Diamond, Pearl & Platinum

Egg: Hearthome City (Only in Diamond & Pearl)
Walk: Trophy Garden (10%, After the National Dex, Backlot’s Pokémon of the day)

• Hearthome City — Gift
• Trophy Garden (Trophy Garden) — Walk

Happiny in every game · Pokémon Diamond, Pearl & Platinum interactive map (Sinnoh)