Wonder Valley is situated at Sankupadi near Anachal. You will get both private and KSRTC Bus from Adimali and Munnar(If you are already at munnar) that passes through WonderValley.
If you are choosing cabs or private vehicles please turn to the anachal route on the way to munnar or off from munnar. If you are coming from munnar take the left turn at 2nd Mile that leads to Chithirapuram, Aanachal etc. If your are coming from adimali to munnar you must take your right turn at Iruttukanam to the way to Anachal.