The Sky

The Sky, as of 2012, is a transtion map between regions, and possibly other fly points in the future. To access The Sky, one must learn the move Fly, either from leveling with certain Pokemon, like Salamance, or getting the HM from Mt. Skylift. This map also loops around, meaning you can literally go around the world by Sky.

Exbel
To access the sky through Grassroot, it is on the the hill on the northeast part of Grassroot Town.

Winden
To access the sky through Winden, it is on the hill north of Snowbasin Town.

Tanren
To access the sky through Tanren, it is on the hill northeast of Tanren City Plaza.

Archford
To access the sky through Archford, it is on the hill north of Greenport Town.

Trivia

 * The Sky was added after the release of Mt. Skylift.
 * In August 2015, The Sky was revamped.