The Grosser Mythen (also Grosse Mythe) is a mountain in the Schwyzer Alps of Central Switzerland.

[2] It is accessible from the Holzegg by a hiking trail which is opened during the summer months only.

The name is pronounced [ˈmiːtən]; it is in origin the plural referring to the Grosser and Kleiner Mythen collectively, each of which had the name Mythe (feminine) in the singular.

The name is unrelated to the now-homographic German word for "myth"; Weibel (1973) derives it from Latin meta "cone, pyramid".

Until the late 19th century, the name of the mountain was still feminine, die Grosse Mythe; after c. 1870, the masculine gender became increasingly common in written German although dialectically the feminine remains current.