Lake of the Sunne

Lake of the Sunne is a lake in Ula'ula Island in the Alola region.In Pokémon Sun he is just a simple lake who can be acessed in the Route 17 but in Pokémon Moon,he just can be acessed by a Ultra Wormhole opened by Lunala.After you arrive in this lake in Pokémon Moon,Lunala will encounter Solgaleo and they will create a Cosmog who will join your team.