Articuno is a Legendary Ice-/Flying-type monster in that was introduced with the. Players should be familiar with this icy blue bird as it is part of the three Legendary birds of the Kanto region. Articuno can be caught in almost every generation and even has a Galarian form. Ice-types have gotten much better in Generation IX, making this a coveted Legendary in the DLC.
As more types have continued to be added to the franchise, the Ice-type has progressively weakened defensively. Currently, there are four weaknesses and only one resistance. However, Generation 9 has replaced the move Hail with Snowscape, which creates a snowstorm and raises the defense of Ice-type Pokémon by 50%. Articuno has always been a strong Legendary, but it is now even better. Additionally, trainers can Terastallize in to increase their chances of winning a battle. The first step to finding Articuno is talking to Snacksworth at the Blueberry Academy.
Articuno and many other Legendary Pokémon will only appear after completing the 's story. This is because you will need to talk to a new NPC named Snacksworth, who will not normally be present. He is near the entrance of Blueberry Academy and offers a random snack for each Legendary Pokémon and a hint of where to find them. However, Snacksworth will do this once for every 10 Blueberry Academy quests trainers have completed. The issue of obtaining the incorrect treat can be circumvented by simply relaunching the game before the conversation ends.
After obtaining the Articuno Treat, fly back to the Paldea Region and head to the Glaseado Mountains. Travel west from Montenevera until you reach a small lake with a waterfall.
For further clarification on where to find Articuno, this excellent visual guide
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