a small portion extending into Elis, and yet about half the mountainous terrain is in Elis. The border divides Mount Erymanthos into a north half and a south half The whole south drainage was omitted from protection. The answer of course was to expand the protected area to cover the whole mountain in both Achaea and Elis, but once legal entities have been created, they cannot be easily changed. A new area was required.

The new area was proposed in a Natura 2000 Standard Data Form in 2009. It was coded GR2320012, and has the same name,