go inside the 4th sinnoh lake cave and travel then somewhere in the cave use your exploer kit and there you are at haunted forest
EDIT**
I tried that it doesn't work you can not use explorer kit there it is useless i tried if u don't believe me try it urself but i m warning u it is just a waste of time
dam it that was disapointing
The haunted mansion is in the Eterna Forest
there is no such forest
There is no such thing!
The north side of Eterna Forest. It's called the Old Chateau. You need to cut down a tree to get there.
Mukrow can be found at Eterna forest at night.
Pokemon Diamond, Pearl and Platinum has Eterna Forest.
There isn't a Haunted Forest on Moshi Monsters but their is a haunted Diamond tiara you can get that by the bar under nieth the log in and type in the bar 33R3HDHD8T6YAdd me on Moshi Monsters my user name is thomk061
In Eterna Forest.
in the eterna forest
There's no such thing as wechwood forest
in the forest by the 2 gym leader
A Pokemon guide that you can find in the forest.