The Goron Mountain is a location in Oracle of Seasons.
On the Goron Mountain, Link can obtain the Dragon Key, but he can only do this with Moosh's help. Another item obtainable on Goron Mountain is the Goron Vase. It is only obtainable by trading with the Biggoron, he will offer his Goron Vase for some Lava Soup.
Goron Mountain as it appears in Oracle of Seasons