It's a dungeon close to Buried Relic, Wyvern Hill and Darknight Relic.
solar cave
Firered don't have a "solar cave"
You can find them lying around in Solar Cave.
you dont....fly is in wyvern hill but the key to it is in solar cave
after you beat the game and the credits roll over you will be able to go to solar cave
After you beat the game, you yalk to whiscash. He will giv you dive. He then will say "If you lose this, go to solar cave." And........ poof! you hav solar cave!!!!!!!!!
Keys can be found on the floor in Solar Cave and Western Cave. They are more frequently found in Solar Cave, though.
10 but you need a Key from Solar Cave to open the lock box that contains it
Once you have compleated the game and you evolve, go talk to lombre and he will tell you a story about the sea then tell you to go to wihscash. Go to him and he will give you dive to stormy sea and says,"if lose this it can be found at solar cave and...........poof! You have solar cave!
You have to beat the game, which means going to Sky Tower and defeating Rayquaza. You should automatically get Solar Cave after that.
Talk to wiscash after you beat raquazza and youll gain access to stormy sea and solar cave
After u finish the main story, some mesages will appear in ur mail box that wil refer to solar cave. A few days after u read them, go to the list of places u can go and solar cave should be there.