Mount Erymanthos, Mountain range in Achaea and Elis, Greece
Mount Erymanthos is a mountain range stretching across limestone terrain in Achaea and Elis with its highest peak, Olonos, reaching about 2,224 meters. The massif transitions through different zones, from pine forests at lower elevations to higher alpine areas and rocky slopes.
The name Erymanthos is a Bronze Age legacy, appearing as an implied region in Linear B script and considered non-Greek in origin. Olenos, the summit's name, is Greek for 'forearm'. In 1995 the massif was first compiled as a Natura 2000 site; it was proposed as a Site of Community Importance in 1997, confirmed in 2006, and made a Special Area of Conservation in 2011 under Law 3437.
The name Erymanthos is a Bronze Age legacy, appearing as an implied region in Linear B tablets; it is not Greek, and its Indo-European origin remains debated. Olenos, the summit's name, is Greek for "forearm," though the reason for it has been lost. The range also gives its name to the Erymanthian boar of Heracles' fourth labour.
The mountain is accessible through hiking trails that lead from nearby villages such as Micha and Alepochori, passing through varied terrain and vegetation. Visitors should prepare for changing conditions as altitude and exposure differ significantly between different routes and seasons.
The summit ridge carries two named tops: Olenos at 2,224 m and Granitis, 32 m lower and 166 m to the south, separated by a col only 38 m deep. Many maps merge the two. Olenos is the parent peak; its nearest higher neighbour is Mount Kyllini in Corinthia, 49.6 km east.
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