Charlotte PeakCharlotte Peak is an mountain summit located in Powell County of the U.S. state of Montana.DescriptionCharlotte Peak is located in the Swan Range, a subset of the Rocky Mountains. It is situated in the Bob Marshall Wilderness, on land managed by Flathead National Forest. Precipitation runoff from the mountain drains to Big Salmon Lake and the South Fork Flathead River. Topographic relief is significant as the summit rises above Big Salmon Lake in one mile.ClimateBased on the Köppen climate classification, Charlotte Peak is located in a subarctic climate zone characterized by long, usually very cold winters, and short, cool to mild summers. Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.