there is none!
unfortunately, there is no location called "chlorine cave" in Pokemon leaf green version
U have to beat the elite four and get the nation dex
Diglett cave is placed east of vermilion city and north of viridian city.
You can find the Cerulean Cave in the northwest corner of Cerulean City in Kanto in Pokemon LeafGreen. The cave contains the Pokemon Mewtwo.
Their are no haunted houses in leafgreen their are 2 areas in the game that are infested by ghosts however: Pokemon Tower and Lost Cave. The tower is in Lavendar Town and the Cave is in the northeastern part of Five Island.
There is no awakening cave.
Go to four island and enter icefall cave HM7 is in there and its waterfall.
in cerulean cave.
Diglett cave
maby you have a old version of Pokémon LeafGreen and when it came out , the Cerulean Cave wasn't finished.
How to get to lost cave in leaf green??
After you get the national dex go to Wayard cave and then insert Leaf green.