Mount St Gwinear, Mountain summit in Baw Baw National Park, Australia

Mount St Gwinear is a summit reaching approximately 1509 meters at the northeast end of Baw Baw National Park with granite rock formations and snow gum forests. The landscape transitions between heathland at lower elevations and alpine vegetation with views across the Thomson River valley.

Mount St Gwinear was named by geologist William Baragwanath after Saint Gwinear of Cornwall. Baragwanath, a Victorian government geologist, also named the nearby Mount St Phillack. The sources record no connection between the naming and Cornish miners in the region.

The name was given by geologist William Baragwanath, who named the peak after Saint Gwinear of Cornwall; he also named the nearby Mount St Phillack. The mountain's name is thus a record of the surveyor's own choice rather than of local mining settlement.

A hiking trail of about 8 kilometers runs from the car park for the round trip and typically takes around 4 hours to complete. Visitors should prepare for changing weather conditions as the alpine climate can shift quickly throughout the day.

Mount St Gwinear was named by geologist William Baragwanath after Saint Gwinear of Cornwall; he also named the nearby Mount St Phillack. The summit sits at the north-east end of Baw Baw National Park, and marked trails link it across the Baw Baw Plateau to the Mount Baw Baw downhill ski village about 9 km to the south-west.