Where to find Pikipek in Sun, Moon, Ultra Sun & Ultra Moon

SOS Encounter: Route 8 (15%, Only in Sun & Moon), Route 1, Route 10 + 8 more
Unknown: Route 10, Route 9 (Only in Sun & Moon), Exeggutor Island (Only in Sun & Moon) + 3 more
Walk: Route 4 (40%), Route 6 (40%), Route 1 (30%) + 1 more
+ 1 more way

Pikipek also appears in

How to get Pikipek in Sun, Moon, Ultra Sun & Ultra Moon

Its base catch rate is 255 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Timer Ball or Luxury Ball.

Evolution: Pikipek → Trumbeak (Level 14) → Toucannon (Level 28).

Pikipek in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)