Heponiitty is a settlement in Vantaa Municipality, in the region of Uusimaa, Finland. Heponiitty lies at 40 m above sea level. The nearest city is Klaukkala, 4.7 km to the northwest. Among the landmarks around are National Museum of Finland (20 km), Sinebrychoff Art Museum (21 km) and Helsinki Cathedral (21 km). Among the natural features are Tähtitorninvuori (22 km) and Siltavuori (21 km).