5-729: Middle Teton Glacier is on the northeast flank of Middle Teton in Grand Teton National Park , Wyoming . The alpine glacier is a popular mountaineering route for ice climbing and for access to the summit of Middle Teton and other peaks to the south. The glacier is at the west end of Garnet Canyon , which is the most popular route used by climbers ascending Grand Teton . The glacier melt feeds streams below including Spalding Falls , an 80 ft (24 m) high cascade. Between 1967 and 2006, Middle Teton Glacier lost approximately 25 percent of its surface area, shrinking from 52 to 39 acres (21 to 16 ha). This article about
10-606: A location in Wyoming is a stub . You can help Misplaced Pages by expanding it . This article about a glacier in the United States is a stub . You can help Misplaced Pages by expanding it . Middle Teton Middle Teton (12,809 feet (3,904 m)) is the third-highest peak in the Teton Range , in the U.S. state of Wyoming . Located within Grand Teton National Park , the peak is immediately southwest of Grand Teton , from which it
15-632: Is separated by a broad high ridge at 11,600 feet (3,540 m), known to local climbers as the Lower Saddle . The Middle Teton Glacier is located on the eastern slopes of the peak. Middle Teton is a classic pyramidal alpine peak and is sometimes included as part of the Cathedral Group of high Teton peaks. The 40-mile-long (64 km) Teton Range is the youngest mountain chain in the Rocky Mountains , beginning its uplift 9 million years ago, during
20-551: The Miocene . Several periods of glaciation have carved Middle Teton and the other peaks of the range into their current shapes. From the Lower Saddle, a distinctive feature known as the black dike appears as a straight line running from near the top of the mountain down 800 feet (240 m). The black dike is a basaltic intrusion that occurred long after the surrounding rock was formed. The first recorded ascent of Middle Teton
25-488: Was by Albert R. Ellingwood on August 23, 1923, via Ellingwood Couloir on the south side of the peak. Ellingwood made the first ascent of South Teton the same day. What is known as the southwest couloir provides the easiest route to the summit. Other sections on the mountain are rated as high as class 5.11 , with the Middle Teton Glacier route considered to be the most technically advanced. The first ascent of
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