InformationMount Tyree has a peak elevation of 15,919 feet, which is 26% shorter than the average for for all highest mountains and about average compared to all highest mountains in Antarctica. It was first ascended in 1967.
The climbing season is November to January, when the sun is above the horizon 24 hours a day and the air is warmest - up to −30 °C (−20 °F) near the summit. Like the nearby Mount Vinson, the mountain may be accessed by the means of a 6-hour flight from Punta Arenas, Chile to Union Glacier Camp followed by a 200 km flight on a ski plane to the base of the mountain.
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