General Area special features

You are able to catch a Sudowoodo here (one per trainer) that starts at lvl 40.

Also found here is the Artisian Cave, which allows you to catch Smeargles also starting at lvl 40.

You CAN NOT use the following pokemon if you so happen to have them: Mewtwo, Mew, Lugia, Ho-Oh, Celebi, Kyogre, Groudon, Rayquaza, Jirachi, Deoxys (Speed Form), Egg.

Any other pokemon that are not listed above CAN be used in any of the areas.