Groudon, the 'Continent' Pokémon, is one of the Legendary Pokémon that can make appearances as raid bosses in Pokémon Go. Before you begin the battle, however, it’s a good idea to know both ...

While Groudon raids will be happening periodically throughout this time, you'll have your best chance of finding a raid on June 8 and June 15, during Pokemon Go's Raid Hour event.