In 1971, the glacier was approximately  long and  wide. Between 1967 and 2006, Teton Glacier lost approximately 14 to 20 percent of its surface area, a reduction from .
In 1971, the glacier measured about long and wide. From 1967 to 2006, Teton Glacier experienced a loss of around 14 to 20 percent in its surface area, resulting in a reduction compared to.